Sphyraenavenator Volans 842

• Original Life Forms:
  • Class Actinopterygii (Ray-finned fishes): Great Barracuda (Sphyraena barracuda)
  • Class Aves (Birds): Peregrine Falcon (Falco peregrinus)
  • Class Reptilia (Reptiles): Tokay Gecko (Gekko gecko)
  • Class Mammalia (Mammals): Wolverine (Gulo gulo)
• Appearance:
  • This composite life form features an elongated, torpedolike torso completely covered in hardened, overlapping iridescent silver fish scales that transition into dense, charcoal-grey feathers along the spine and upper flanks.
  • The head is elongated and narrow like a barracuda, showcasing an underbite filled with razor-sharp, backward-curving canine teeth, yet it features the large, forward-facing, intense dark eyes of a bird of prey.
  • It possesses four powerful limbs derived from mammalian anatomy but adapted with reptile characteristics; each foot terminates in wide, fleshy Tokay gecko pads lined with microscopic setae for vertical surface adhesion, tipped with the thick, non-retractable bone-shearing claws of a wolverine.
  • Sprouting from the shoulders are two expansive, high-aspect-ratio falcon wings covered in streamlined feathers, enabling rapid aerial maneuvering, while a long, stiff, rudder-like fish tail extends from the posterior end to provide stability during complex trajectory adjustments.
• Size:
  • The creature stands approximately 3 feet tall at the shoulder when quadrapedally perched.
  • Its total body length from the tip of the elongated jaw to the end of the caudal tail is 7 feet.
  • The total wingspan when fully extended in flight reaches 14 feet, and the average adult weight fluctuates around 130 pounds due to dense muscle fiber and light, hollow skeletal components.
• Speed:
  • Base land crawling and vertical climbing speed is 30 feet per turn.
  • Aerial flight speed is 90 feet per turn, capable of reaching extreme velocities when executing a steep downward dive.
  • Aquatic swimming speed is 40 feet per turn using tail propulsion.
• Stat Modifiers:
  • Inherent physical vessel attributes reflect the combined agility of its components, granting a permanent +4 bonus to reflex-based capabilities and physical coordination.
  • The underlying ferocity and durability of the mammalian lineage impart a +3 bonus to physical endurance and raw muscle force.
  • The reliance on instinctual tracking and predatory focus results in a -2 penalty to deep logical reasoning and abstract cognitive processing.
• Skills:
  • Trained tracking and perception tracking are optimized, adding an extra +5 to checks involving visual detection over long distances or structural vibrations sensed through ground contact.
  • The specialized foot morphology provides an automatic +4 bonus to all climbing checks, allowing the beast to traverse perfectly smooth vertical walls or hang upside down from cave ceilings without rolling for stabilization unless physically struck.
  • Ambush coordination is highly efficient, yielding a +3 bonus to concealment and stealthy movement when initiating attacks from high elevations or murky water lines.
• Behavior:
  • This species operates with an aggressive, solitary apex-predator mentality, fiercely defending a hunting territory that encompasses up to ten square miles.
  • It utilizes high-altitude perches, such as mountain peaks or the upper structures of abandoned Renaissance ruins, to scry for potential prey using its advanced visual acuity.
  • When a target is selected, it executes a high-velocity downward dive, pulling its wings tight against its scaled torso to minimize atmospheric drag before spreading its gecko-padded claws to grip the target while inflicting massive tearing damage with its barracuda-like jaws.
  • It displays extreme tenacity when confronted, refusing to back down from conflicts even against larger monsters or organized parties of adventurers, often entering a state of hyper-focused frenzy if backed into a corner.
• Diet:
  • The beast is strictly carnivorous, consuming large quantities of meat, bone, and aquatic organisms to fuel its high-metabolic-rate lifestyle.
  • Favored meals include coastal waterfowl, mid-sized feral mammals, and large surface-swimming fish species found near reef lines.
  • Due to the crushing power inherited from its wolverine lineage, it routinely consumes the bones and armor plates of its prey to extract marrow and calcium minerals.
• Emotions:
  • The emotional spectrum of this creature is primary and intense, dominated by an overarching sense of territorial arrogance and restless irritability.
  • It experiences deep frustration and agitation when a hunt fails, often executing destructive aerial displays or clawing structural stonework to vent adrenaline.
  • While it cannot form complex empathetic bonds, it exhibits a rudimentary form of respect or caution toward entities that survive its initial diving strike, shifting its emotional state from predatory hunger to calculating wariness.
• Environment Where Found:
  • This life form is predominantly found within coastal mountain ranges, jagged sea cliffs, and the dense subtropical jungles bordering the edges of the 73 island countries.
  • It frequently builds nests inside high-elevation caves or within the upper levels of dilapidated, sky-facing towers that feature mechanical steam pulleys and old gear systems.
  • Because of its amphibious traits, it is also found hunting around shallow reef networks, shipwrecks, and large inland lagoons where high-magic clouds accumulate.
• Tags:
  • Beast, Feral, Amphibious, Aerial Predator, Scale-Feathered, Solitary Concreter, Avian, Reptilian, Aquatic, Carnivore, Striker, Climber, Coastal, Solitary, Aggressive, Scaled, Quadruped

Life Cycle

• The life cycle begins within highly secure, cliffside nests where the species hatches from large, leathery, dark-green eggs that possess a calcified, semi-permeable outer shell resilient to both atmospheric pressure changes and saltwater exposure.
• Upon emerging, the young hatchlings are entirely devoid of magic and lack the distinct scales of the aquatic lineage, instead being covered in a dense, oil-secreted downy plumage that protects them from freezing coastal winds and torrential tropical rainstorms.
• During the initial juvenile phase, which spans roughly fourteen months, the young remain entirely confined to the nest structure, completely dependent on the parental unit to regurgitate crushed bone fragments, marrow, and liquefied fish tissue necessary for rapid skeletal expansion.
• As the juveniles approach physical maturity and enter puberty, magical crystalline cells begin to violently propagate within their muscular systems, causing the downy plumage along their flanks to shed rapidly as hard, iridescent silver fish scales erupt through the skin layers.
• Adulthood is officially reached when the internal magic virus fully matures, a milestone marked by the formation of a coin-sized tier 1 magic crystal near the base of the creature’s skull and the sudden activation of its instinctual sensory sight capabilities.
• Once adulthood is achieved, the creature develops full reproductive viability and leaves the parental nesting grounds permanently, experiencing a brief period of instinctual disorientation akin to transient global amnesia as it learns to balance its complex quad-amphibious motor functions.
• The standard natural lifespan of an unpossessed individual ranges between thirty-five and forty-five years, during which its internal magic crystal grows exponentially in density and quality, slowly absorbing ambient arcane currents from the surrounding atmosphere.

Mating

• Mating rituals occur exclusively during the week of Passion, taking place high in the sky within the turbulent updrafts generated by seasonal tropical cyclones and localized wild magic storms.
• Solitary adults abandon their hunting territories and ascend into the upper cloud layers, where males initiate elaborate, high-speed aerial displays, pulling their falcon wings into extreme configurations and diving through cloud banks to showcase structural stability and scale iridescence.
• A female selects a mate based on the velocity of his descent and the resonant, high-frequency auditory pitch produced by his vocal cords as atmospheric air rushes through his barracuda-like jaw structure during a dive.
• Once a pair is established, they engage in a highly hazardous aerial locking maneuver, gripping each other’s gecko-padded limbs and plummeting toward the ocean surface in a synchronized spiral, separating less than one hundred feet above the water line to confirm the bond.
• The pair cooperatively constructs a temporary nest using a mixture of high-tensile coastal flora, discarded mechanical brass gears salvaged from industrial ruins, and a hardened, waterproof saliva secretion that glues the structure directly to vertical rock faces.
• Following a gestation period of roughly sixty days, the female deposits a clutch of exactly three eggs, after which both parents aggressively patrol the surrounding airspace, alternating hunting duties to ensure the nest is never left completely exposed to marauding monsters or opportunistic aerial scavengers.
• Once the week of Passion concludes and the eggs are successfully secured in the nest, the intense cooperative bond transitions back into an irritable, highly territorial disposition, though the parents tolerate each other’s physical presence until the hatchlings complete their juvenile phase.

Tactics

• The creature utilizes its high-altitude positioning to scry upon vast territories, continuously scanning the land and sea below with an active sensory hierarchy that prioritizes movement and structural silhouettes.
• When a target is pinpointed, the predator utilizes the ambient cloud cover or the blinding glare of Helios to obscure its presence, positioning itself directly above the prey before initiating an absolute vertical dive.
• During the descent, it tucks its limbs and wings firmly against its scaled torso to eliminate atmospheric drag, transforming into a living silver projectile that relies on gravity and velocity to maximize the kinetic impact of its opening strike.
• If the target is located in shallow coastal waters or lagoons, the creature adjusts its trajectory to slice through the surface layer with minimal splashing, utilizing its streamlined fish scales and tail rudder to maintain sub-surface momentum for an underwater ambush.
• Faced with multiple opponents or an organized adventuring party, the beast actively targets worn equipment or held focal items, utilizing its wolverine claws to tear away sheaths, backpacks, or magical staves to disarm casters and compromise the party’s defensive capabilities.
• If a combat encounter shifts out of its favor or its physical health pool is severely depleted, the creature executes a hyper-focus concentration maneuver to locate the nearest vertical escape route or deep-water trench, using its gecko-pad setae to scale vertical cliffs at maximum speed or diving headfirst into the ocean to evade pursuit.

Actions

• Diving Talon Strike: The creature uses a full action to execute an aerial plunge from an elevation of at least one hundred feet, rolling to hit the target’s total Armor Check with a massive momentum bonus that passes full calculated tier damage through the wolverine-derived claws upon a successful connection.
• Crushing Jaw Snap: The beast uses an action to clamp its elongated barracuda-like jaws onto an opponent, utilizing its backward-curving teeth to grapple the target’s physical frame while inflicting piercing damage matching its highest base item value.
• Vertical Wall Ascent: The creature utilizes its gecko-padded limbs as a free action to move its full base speed up a perfectly smooth vertical surface, cliffside, or stone wall without requiring an active climbing skill check roll.
• Targeted Item Disarm: The predator spends an action to execute a precise, hyper-focused claw swipe against a visible item worn or held by a foe, increasing the attack difficulty threshold to match the opponent’s base Armor Check plus their tier level to completely deactivate and unattune the targeted piece of gear.
• Tail Rudder Sweep: The creature uses an action while submerged or airborne to swing its stiff, scaled caudal tail in a wide arc, forcing all adjacent opponents within a five-foot radius to execute an opposed saving throw to avoid being knocked completely off-balance or rendered prone.

Other Interesting Information

• The physical scales of this species possess highly specialized light-refracting properties that mimic the exact color shifts of the VaporSphere planet during the week of Dimming, rendering the beast nearly invisible to normal sight when flying directly underneath the gas giant’s shadow.
• Local alchemists and technomancers within the coastal island nations highly prize the adhesive setae found on the creature’s gecko pads, frequently harvesting the dead specimens to extract biological proteins used in the manufacturing of high-tensile climbing gloves and industrial suction gaskets.
• Because the creature’s brain is highly attuned to atmospheric pressure and wild magic movements, its vocal chanting patterns shift dramatically twenty-four hours before a tropical cyclone hits, acting as a reliable natural early-warning system for nearby port cities and airship docks.
• The tier 1 magic crystal harvested from the skull of a mature adult is uniquely shaped like a multi-faceted falcon feather, holding a natural affinity for wind-based magic circuits and steam-augmented mechanical power storage devices.
• Despite their feral and aggressive nature, juveniles that are taken from the nest prior to the eruption of their scales can be imprinted upon by an advanced crafter or trainer, though they remain highly erratic and will instinctively abandon their master to return to the wild upon reaching full adulthood and gaining magic.
• The species shows an unusual, non-aggressive curiosity toward stationary steam engines and factories that utilize large rotating shafts and pulleys, often perching on factory exhaust vents for hours to absorb the rising elemental heat emissions.

An adventuring party navigating the island countries of Saṃsāra might seek out or accidentally encounter this specific feral species for several practical, economic, and strategic reasons directly tied to the unique mechanics and landscape of the world.

Harvesting High-Quality Catalyst Crystals

• Every adult individual of this species grows a tier 1 magic crystal at the base of its skull as it reaches maturity.
• Because these crystals grow exponentially stronger over the creature’s lifespan, hunting an older, entrenched apex predator ensures the acquisition of a highly dense catalyst crystal.
• Crafters and technomancers within the party require these specialized, feather-shaped crystals as mystical batteries to power up magic circuits or to use as core ingredients when upgrading or merging equipment.
• Defeating the creature while it is unpossessed ensures it leaves behind a physical corpse, allowing adventurers to harvest the skull crystal directly alongside other valuable biological components.

Procuring Rare Engineering and Crafting Materials

• The specialized gecko-like foot pads of the creature contain microscopic setae that allow for absolute vertical adhesion on smooth surfaces.
• Guild artisans and alchemists pay high prices for these harvested biological structures to refine into high-tensile climbing gear, specialized gloves, or airtight industrial steam gaskets.
• The iridescent, light-refracting fish scales covering the torso offer excellent natural concealment properties that mirror planetary movements.
• Advanced armor-smiths search for these scales to use as raw materials for forging streamlined, lightweight chest pieces or sashes that help hide wearers from normal sight lines.

Securing Lucrative Guild Contracts and Renown

• Because these predators establish dominant hunting territories near jagged sea cliffs and coastal ruins, they frequently disrupt vital trade infrastructure.
• A nesting pair can endanger the low-flying hot air balloons, zeppelins, or mail-carrying griffons traveling between port cities.
• Local city mayors and guild masters routinely post official bounty quests to clear these creatures out of vital mechanical transit corridors or coastal lighthouse towers.
• Completing these highly hazardous hunting assignments rewards the adventuring party with substantial renown points, unlocking higher-tier faction opportunities and social influence within the constitutional monarchies.

Tactical Material Salvage from Industrial Ruins

• The creature possesses a natural behavioral curiosity toward rotating machinery and regularly scavenges metallic components to reinforce its nest structure.
• Adventurers searching for rare, forgotten Renaissance tools or discarded industrial gear systems often track the predator back to its cliffside home.
• Clearing out a nest allows a party to salvage valuable brass pulleys, chains, and mechanical shafts that the beast gathered from nearby abandoned factories.
• These recovered components can be used to repair broken items or to reduce the property taxes owed on personal wagons and transport vessels by demonstrating land improvements to local judges.

Utilizing the Creature as a Natural Alarm System

• Due to the creature’s high sensitivity to atmospheric shifts and wild magic currents, its vocal patterns change dramatically a full day before a tropical cyclone hits.
• Sailing parties or airship crews exploring uncharted smaller islands will actively scan high cliffs to observe the behavioral patterns of these residents.
• Locating a population of these creatures provides an advanced adventuring party with an organic early-warning radar system to predict incoming magic storms or extreme weather shifts before anchoring their ships.
• A highly skilled trainer within the party might even attempt to track down a younger, scale-less juvenile in an effort to imprint upon it during its early life cycle, using it as a temporary tracking pet before it reaches full adulthood.

eyond the primary skull crystal and the adhesive foot pads, an unpossessed corpse of this species yields several highly specialized organic materials. Because the creature is a biological amalgamation of diverse animal classes shaped by systemic magical viruses, its harvested anatomy provides unique utility for artisans and technomancers.

Hardened Iridescent Torso Scales

• Utility and Processing: The interlocking, silver fish scales covering the creature’s main torso possess unique light-refracting properties that mimic environmental light shifts.
• Applications: Armor-smiths harvest these plates to weave flexible, lightweight scale armor or defensive chest slot gear that provides inherent agility bonuses.
• Magical Crafting: When treated with alchemical solvents, the scales can be integrated into sashes or cloaks to grant the wearer passive camouflage, shifting in shades of color to match the surrounding terrain or the shadow of the gas giant VaporSphere.

High-Aspect Streamlined Flight Feathers

• Utility and Processing: The primary flight feathers harvested from the falcon-derived wings are incredibly rigid, lightweight, and naturally coated in an oil secretion that resists water absorption and friction.
• Applications: Fletchers and alchemical crafters utilize these feathers exclusively to craft specialized, high-tier ammunition for ranged weaponry.
• Ranged Enhancements: Projectiles fletched with these materials cut through atmospheric resistance cleanly, making them ideal components for extending the operational range of complex or extended-range weaponry without destabilizing the trajectory.

Razor-Sharp Backward-Curving Teeth

• Utility and Processing: The barracuda-like jaw structure contains dozens of dense, enamel-reinforced teeth designed to lock onto struggling prey and puncture armored plates.
• Applications: Weaponsmiths extract these teeth to serve as serrated tips for mundane or tier 1 daggers, punching daggers, and hunting knives.
• Combat Benefits: Due to the distinct backward curvature inherited from the aquatic lineage, weapons constructed with these teeth inflict deep tearing wounds, automatically matching the slashing or piercing damage types required to penetrate an opponent’s baseline Armor Check.

Dense Bone-Shearing Wolverine Claws

• Utility and Processing: The thick, non-retractable claws extracted from the creature’s limbs retain the extreme density and structural strength of their mammalian origin.
• Applications: Artisans utilize these claws as raw materials to fashion specialized hand-slot weapons, such as climbing claws or gauntlet attachments, or refine them into heavy-duty carving tools.
• Industrial Use: Because of their ability to crush bone and scratch stone without fracturing, the claws are also used in factory environments to shape mechanical wooden pulleys or to bore precise holes into brass fittings for steam engines.

Stiff Scaled Caudal Tail Muscle and Sinew

• Utility and Processing: The long, powerful fish tail contains highly developed, dense muscle bundles and exceptionally strong, elastic sinew lines used for rapid aquatic propulsion.
• Applications: Bowyers harvest the dried sinew to back heavy composite bows or to string mechanical crossbow mechanisms that require high-tensile energy retention.
• Alchemical Refinement: The internal muscular tissue can be boiled down by alchemists to isolate the magic virus proteins, creating stabilizing binding agents used to brew fast-acting healing elixirs or potions that temporarily restore an avatar’s health points during downtime.

Internal Magic-Infused Viral Glands

• Utility and Processing: Located near the respiratory tract are the specialized glands responsible for culturing the magic viruses that drive the creature’s cognitive evolution and crystalline cell growth.
• Applications: Highly trained alchemists harvest these fluids under strict isolation protocols to study ancient magic mutations or to trigger controlled crystalline growth in baseline items.
• Enchanting Catalyst: The harvested viral fluid acts as a potent liquid catalyst during ritual attunements or item merging, allowing a crafter to fuse two separate pieces of gear together while successfully balancing their properties for a higher tier of play.

Stone Flute-Wing Fish-Beast Having Claws of Rage

Great ancient sky-plate falling down from high cloud-places makes writing upon the dark mud. This is the copying of the script of the old ones, who spoke before the breaking of the tongues, when the first king of the water-wheels did not yet know the turning of the brass. We have put this into our words with great labor, though the meaning leaks out like elements from a cracked water-skin.

• In the season when the Great Gas-Ball VaporSphere did make the moon dark with its heavy body-shadow, the world was a young meat.
• The Great Mother of Ground-Structures, whose name is Gaialilith, sat upon the steam-vents to make her thoughts become bones.
• She did look through the long-seeing tubes of the spirit into the many rooms of the wide sky-emptiness where the stars grow like moss.
• Her eyes did pick up the shapes of different swimming-things and flying-sticks from the worlds that were not yet born or had already rotted into salt.
• She said with a loud shouting-voice, I shall make a mixing of the scales and the hair-feathers to see if the walking-meat can stand upright upon the sharp rocks of the great water-borders.
• First, she took the long biting-head of the silver needle-fish that lives in the deep salt-puddles, whose teeth are like backward knives that do not let the food go free.
• She joined this biting-head onto the hot spirit of the mountain-wolverine, which is a small bear of great anger that breaks the ribs of its own mother for the sake of the internal fat.
• Then she did sew the high-flying feathers of the cloud-falcon onto the ribs of the fish-body so that the meat could walk upon the air when the storms made the ground wet.
• For the feet, she took the sticky toes of the wall-lizard that can walk upon the smooth sky-stones without falling into the dirt, and she tipped them with the bone-breaking irons of the angry land-beast.
• When the beast did first breathe the hot smoke of the early moon, it did not know its own name, and its head was filled with the great forgetfulness of the new-born vessel.
• The creature did run up the vertical stones of the high cliff-walls, hanging upside down like a bat-insect, while its silver fish-tail did wag to keep the balance true.
• But the wild magic did bubble up from the ground-cracks like boiling soup, and the virus of the crystal did enter the meat of the beast, making its blood turn into small shiny stones.
• The beast became very sad and very angry because the items of its body were too many and the pain of the gods did press upon its joints like heavy iron chains.
• It did fly into the high air-spaces where the wind-ships do now go, and it did try to bite the light of the great sun Helios with its long needle-teeth.
• The other animals of the Earth Mother’s garden did look upon the fish-beast with great fear because it did not have a proper class or a grandfather among the old beasts.
• When it did dive from the high clouds, it made a sound like a broken steam-pipe, which did make the ears of the ground-monsters run with red water.
• The fish-beast did hunt the birds of the sky and the swimming-things of the reef-lines, chewing the hard bones to make its internal crystal grow as large as a silver coin.
• It did collect the bright pieces of copper and the old wheels of the ancient factories that it found in the mud, carrying them to its cliff-hole with its lizard-toes.
• The parents of the beast did make their marriage-clutch only when the sky-wind did spin around like a top, dropping their eggs into the places where the lightning does strike.
• Many men of the old times did try to kill the fish-beast with stone spears, but the beast did look upon their weapons with its falcon-eyes and did tear the sheaths from their belts.
• The armor of the old hunters was cut in half by the wolverine-claws, and their shields did become broken items because the resilience was not enough to stand the diving weight.
• The story tells that the fish-beast still sits upon the high towers of the forgotten cities where the steam-circuits are still warm, waiting for the souls of the heroes to come down from the sky.
• It does sing its throat-song before the big water-storms come to drown the 73 islands, and those who hear the flute-voice of the beast do run into the stone houses to save their gold.

Moral of the Story

The mixing of the scales and the feathers shows that the vessel which cannot be changed by the ground-pressures will surely turn into a dead corpse, and only the meat that learns to stick to the vertical walls of the world can keep its crystal from shattering into small shards.

Suggested conversions to other systems:

Call of Cthulhu (7th Edition)

Sphyraenavenator Volans

The Sphyraenavenator is a horrifying, unnatural amalgamation that defies standard biological taxonomy. Combining the predatory malice of the deep ocean barracuda, the relentless fury of a wolverine, the terrifying stickiness of a gecko, and the silent dive of a falcon, this entity is often mistaken for a unique deep-one hybrid or a localized byproduct of Shub-Niggurath’s terrestrial spawning. It clambers up sheer coastal cliffs, waiting to drop onto unsuspecting investigators with a mechanical screech like tearing metal.

Characteristics

• STR: 85
• CON: 75
• SIZ: 65
• DEX: 90
• INT: 25
• POW: 50
• EDU: —
• APP: —
• Move: 6 Walking / 18 Flying / 8 Swimming
• HP: 14
• Damage Bonus (DB): +1D4
• Build: 1
• Build Points: —
• Magic Points: 10

Combat

• Attacks per round: 2 (May strike twice with its wolverine-derived claws or combine a dive with a crushing jaw snap).
• Fighting (Claws & Teeth): 70% (35/14), damage 1D6 + DB.
• Diving Talon Strike (Cap): 50% (25/10), damage 2D6 + DB (requires a minimum dive distance of 50 feet).
• Target Item (Special Action): 40% (20/8), instead of doing damage, the creature targets a held firearm, camera, or occult artifact, tearing it from the investigator’s grip and throwing it 1D10 yards away or rendering it mechanically broken.
• Dodge: 45% (22/9)

Skills

• Climb 95%, Stealth 65%, Spot Hidden 75%, Track 60%.

Special Abilities

• Wall-Lizard Adhesion: The creature can climb perfectly smooth surfaces, including damp subterranean basalt and coastal brick towers, at full movement speed without making a skill check.
• Scale Plates: It possesses thick, light-refracting fish scales providing 3 points of non-magical armor.
• Hyper-Focus Awareness: If ambient magic or weird phenomena are active within the area, the creature gains an extra die of advantage on all Spot Hidden and tracking checks for one round.

Sanity Loss

• 1/1D6 Sanity points to witness a Sphyraenavenator Volans.

Blades in the Dark

The Flute-Winged Hull

A terrifying feral horror forged from rogue elemental magic and forbidden pre-cataclysmic blueprints. While it features no human ghost core, its predatory animal instincts are bound within a physical hull constructed of silver fish scales, falcon feathers, and clockwork gear linkages. Smugglers and Scoundrels operating near the lightning barriers or the dark reef lines of Deathlands canals often encounter these solitary terrors perched atop rusting industrial scaffolding or abandoned steam-pumping stations.

Attributes & Traits

• Tier: II (Quality 2, Scale 0 – Solitary Apex Predator)
• Threat Level: Formidable (Draws 2 Harm steps minimum on a failed defensive engagement).
• Faction Tags: Beast, Feral, Clockwork-Amphibious, Monstrum.

Consequences & Mechanics

• Lizard-Pad Adhesion (Potency): The Flute-Winged Hull has absolute potency when navigating vertical structures, crumbling masonry, or the external hulls of moving steamships. Attempts to escape or bypass it by climbing are automatically desperate in position and limited in effect.
• Targeting the Gear (Deactivation): When the creature inflicts harm, the GM may choose to apply a mechanical consequence instead of standard physical trauma: one piece of fine load equipment (such as a fine lightning hook, fine blowgun, or spirit mask) is torn away, unattuned, or rendered mechanically broken until downtime repair actions are spent.
• Refractive Scales (Armor): The hull’s outer plating reduces all physical harm or standard black-powder ballistic damage by one full tier step. Attacks utilizing fine weapons or electroplasmic currents bypass this reduction.
• Diving Strike (Clock): When hunting from high perches, the GM starts a 4-segment clock: “The Silver Dive.” Each missed action or desperate maneuver by the crew ticks the clock. When filled, the creature unleashes a devastating diving drop that inflicts Level 3 Harm (“Bone-Crushed”) to anyone caught in the landing zone.

Dungeons & Dragons (5th Edition)

Sphyraenavenator

Medium monstrosity, unaligned

• Armor Class: 16 (natural armor)
• Hit Points: 65 ($10d8 + 20$)
• Speed: 30 ft., climb 30 ft., fly 90 ft., swim 40 ft.

STR	DEX	CON	INT	WIS	CHA
16 (+3)	18 (+4)	14 (+2)	3 (-4)	14 (+2)	7 (-2)

• Skills: Perception +6, Stealth +6, Athletics +5
• Senses: Darkvision 60 ft., Passive Perception 16
• Languages: —
• Challenge: 4 (1,100 XP)

Traits

• Spider Climb: The sphyraenavenator can climb difficult surfaces, including upside down on ceilings, without needing to make an ability check.
• Dive Attack: If the sphyraenavenator is flying and dives at least 30 feet straight toward a target and then hits it with a claw attack, the attack deals an extra 7 ($2d6$) slashing damage to the target.
• Refractive Scale Camouflage: The sphyraenavenator has advantage on Dexterity (Stealth) checks made to hide while in dim light, underwater, or against coastal rock backgrounds.

Actions

• Multiattack: The sphyraenavenator makes two attacks: one with its Crushing Jaws and one with its Wolverine Claws.
• Crushing Jaws: Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 9 ($1d10 + 4$) piercing damage. If the target is a creature, it is grappled (escape DC 13). Until this grapple ends, the sphyraenavenator cannot use its jaws on another target.
• Wolverine Claws: Melee Weapon Attack: +6 to hit, reach 5 ft., one target. Hit: 8 ($1d8 + 4$) slashing damage.
• Target Item (Recharge 5–6): The sphyraenavenator targets a weapon, shield, or magical focus held or worn by a creature within 5 feet of it. The target must succeed on a DC 14 Dexterity saving throw or the item is immediately torn from their grasp or deactivated. If the item is a held weapon or focus, it becomes unattuned and cannot be utilized again until the wielder spends a short rest re-establishing their connection.

Knave (2nd Edition)

Flute-Wing Fish-Beast

• Hit Dice: 5 (22 HP)
• Armor: 14 (Thick overlapping fish scales)
• Movement: Normal / Triple flying / Double swimming| STR | DEX | CON | INT | WIS | CHA |

  | :— | :— | :— | :— | :— | :— |

  | +3 | +4 | +2 | -4 | +2 | -2 |

Abilities

• Wall Adhesion: Automatically climbs smooth stone, ruins, and trees without a check.
• Screeching Dive: If dropping from a high perch, its attacks gain advantage and deal double damage on a successful hit.
• Item Breaker: On a successful attack roll where the d20 result is an even number, the beast can choose to pass up doing physical damage to target an item in the character’s inventory slots. The item in that slot must make an item save or become broken and unusable until repaired at a settlement workbench.

Loot Inventory

• Slot 1: Tier 1 Magic Crystal (Feather-shaped, worth 1,000 gold pieces to an alchemist or bank branch).
• Slot 2: 4x Gecko Adhesive Pads (Can be refined into climbing gloves).
• Slot 3: Refractive Scales (Equivalent to light armor components when harvested).

Fate Core

Sphyraenavenator Volans (The Silver Cloud-Diver)

• High Concept: Scaled, Feathered Hybrid Apex Predator
• Trouble: Blinded by Single-Minded Hunting Frenzy
• Aspects: Wolverine-Like Ferocity and Tenacity; Gecko-Padded Wall Walker; Iron-Clad Crushing Barracuda Jaws

Approaches / Skills

• Great (+4): Athletics, Physique
• Good (+3): Notice, Stealth
• Fair (+2): Fight, Will
• Average (+1): Provoke

Stunts

• Refractive Scales: Because its silver scales shift in color to mimic light pattern changes, it gains a +2 to Stealth rolls when it is underwater, in dim light, or hiding against jagged coastal rocks.
• Suction-Pad Spider Climb: Because its limbs terminate in specialized adhesive pads, it can move across smooth or vertical surfaces without a roll, and it gains a +2 to Athletics actions to overcome obstacles by climbing.
• Item Deactivation Strike: Once per conflict, when it successfully hits a target using a full action with its claws, it can choose to forgo stressing the opponent to force an operational aspect onto their gear, such as Deactivated Weapon Focus or Broken Attunement, which requires a dedicated overcome action to resolve.

Stress and Consequences

• Physical Stress: [ ] [ ] [ ] [ ]
• Mental Stress: [ ] [ ]
• Mild Consequence (-2):
• Moderate Consequence (-4):

Numenera & Cypher System

The Galvanized Shard-Beast

• Level: 4 (Target Number 12)

Description

• This biological anomaly roams jagged cliffside structures and abandoned installations, blending organic avian plumage, dense scales, and highly localized predatory aggression into a single entity.

Motivations and Actions

• Combat: It targets players from higher elevations, dropping downward at high speeds to utilize its massive kinetic force.
• Interactions: It acts with a basic feral nature, showing zero interest in negotiation but displaying sudden caution if its initial ambush fails.

Mechanics and Stats

• Health: 15
• Damage Inflicted: 4 physical points (jaw crush) or 6 physical points (diving claw strike).
• Armor: 1 point of non-magical protection from hard scale plating.
• Movement: Immediate crawling/climbing, long flying, short swimming.
• Modifications: Actions involving climbing perfectly smooth structures or spotting movement at high elevations are treated as Level 6 actions. Actions involving abstract logic or resisting mental influence are treated as Level 2 actions.

Cypher System Abilities

• Gear Disarm (Level 4 Combat Action): Instead of dealing physical damage, the creature targets a physical device, weapon, or numenera cypher held by a PC. The PC must succeed on a Speed defense roll or the item is pulled away, breaking its active attunement and rendering it completely inert until a recovery action is spent.
• Harvestable Salvage: Deconstructing the creature’s skull yields a high-density, feather-shaped crystal catalyst that acts as a depleted artifact, retaining an affinity for wind-based installations or power devices.

Pathfinder (Second Edition)

Sphyraenavenator

Creature 4

• Uncommon, N, Medium, Monstrosity
• Perception: +12; Darkvision
• Skills: Athletics +13, Stealth +12 (+14 in water or coastal terrain), Survival +10
• Str: +4, Dex: +4, Con: +2, Int: -4, Wis: +2, Cha: -2

Defenses

• AC: 21 (Natural Armor)
• Fort: +12, Ref: +14, Will: +8
• HP: 65

Movement and Special Traits

• Speed: 30 feet, climb 30 feet, fly 90 feet, swim 40 feet
• Suction Climbing: The sphyraenavenator can climb vertical walls and upside down on ceilings at full speed without needing to make an Athletics check to climb.

Strikes

• Melee [one-action]: Jaws +14 (Streamlined), Damage: $2d8 + 4$ Piercing damage plus Grab.
• Melee [one-action]: Claw +14 (Agile), Damage: $2d6 + 4$ Slashing damage.

Special Actions

• Diving Talon Dive [two-actions]: Requirements: The sphyraenavenator is flying at an elevation of at least 30 feet above its target. The creature flies down and makes a claw Strike. If it hits, it deals an extra $2d6$ precision damage, and the target must succeed on a DC 21 Fortitude save or be knocked prone by the kinetic weight.
• Deactivate Attunement [two-actions]: The creature executes a swift, targeted claw attack against an item held or worn by an opponent within its reach. It makes an Athletics check against the opponent’s Reflex DC. On a success, the item is forcefully unattuned and deactivated. If the target item was actively held, it falls to the floor and cannot be reattuned or utilized as a focus until a 10-minute ritual is completed.

Savage Worlds (Adventure Edition)

Sphyraenavenator Volans (Wild Card)

• Attributes: Agility d10, Smarts d4 (A), Spirit d6, Strength d8, Vigor d8
• Skills: Athletics d10, Fighting d8, Notice d8, Stealth d8, Survival d6
• Pace: 6 (d6); Climb Pace: 6; Fly Pace: 18; Swim Pace: 8
• Parry: 6; Toughness: 9 (3)

Edges

• Amphibious: The creature can move and breathe underwater at its full swimming pace without penalty.
• Flyer: It can fly at a pace of 18, utilizing high-speed gliding mechanics.

Special Abilities

• Armor +3: Thick, overlapping iridescent fish scales provide structural protection against physical and ballistic damage.
• Bite/Claws: Str+d6 slashing damage or Str+d8 piercing damage with a successful bite jaw grab.
• Lizard Wall-Adhesion: Microscopic foot setae allow the creature to move across vertical masonry or smooth basalt stone without rolling an Athletics check.
• Diving Drop Strike: If the beast flies downward at least 10 inches toward a target and hits with a claw attack, it adds an extra +4 to its total damage output.
• Target Gear (Special Attack): Instead of causing physical wounds, the creature can declare a targeted attack against a held weapon or magical item focus. With a successful Fighting roll opposed by the target’s Athletics roll, the item is knocked away or instantly deactivated, breaking its internal attunement until repaired or ritualistically reset during downtime.

Shadowrun (6th World Edition)

Sphyraenavenator Volans (Awakened Hybrid Terror)

A terrifying paracritter discovered near coastal mana-line spikes and island ruins. Combining the traits of marine predators, raptors, and fierce burrowing mammals, this Awakened beast utilizes its gecko-like micro-setae pads to navigate urban skyscrapers and industrial arcologies with ease. Corporations categorize it as a severe physical threat due to its unique ability to disrupt active magical foci and cybernetic linkages during an ambush.

Attributes

• Body: 5
• Agility: 6
• Reaction: 5
• Strength: 4
• Willpower: 3
• Logic: 1
• Intuition: 4
• Charisma: 2
• Edge: 3
• Essence: 6
• Magic: 4

Derived Stats

• Initiative: 9 + 1D6
• Astral Initiative: —
• Defense Rating: 9
• Condition Monitor (P/M): 11 / 10
• Armor (Dermal Plating): 3 (Refractive Scales)

Skills

• Athletics 5 (Climbing +3), Close Combat 4 (Natural Weapons +2), Perception 4 (Visual +2), Stealth 5 (Camouflage +2).

Powers

• Wall Adhesion (Innate): The creature climbs vertical surfaces, including reinforced durasteel glass and smooth concrete towers, at its full running rate without requiring an active Athletics test.
• Refractive Scales: Its silver scales adapt smoothly to external light conditions, granting a +2 dice pool modifier to all Stealth tests when submerged in water, hiding in dim light, or moving against rocky coastal terrain.
• Amphibious: The creature breathes both oxygen and water, suffering zero movement penalties while swimming.
• Diving Drop Attack: If the creature drops from an elevation of at least 10 meters directly onto a target, it gains a +2 Attack Rating bonus and inflicts +2DV precision damage.

Complex Actions

• Bite/Claws (Natural Weaponry): DV 3P, Attack Rating 10/—/—/—/— (Close Combat skill).
• Foci Attunement Disruption: Instead of causing physical damage, the creature can declare a targeted claw strike against a visible weapon, commlink, or magical focus held or worn by a runner. The attacker makes a Close Combat + Agility test opposed by the defender’s Reaction + Intuition. On a success, the item is physically torn away or knocked loose, immediately breaking its active magical attunement or wireless matrix connection until a re-attunement ritual or system reboot is completed during downtime.

Starfinder (2nd Edition / Playtest)

Sphyraenavenator

Medium monstrosity, unaligned

An amphibious, multi-classed biological anomaly that roams the jagged sea cliffs and atmospheric storm-pockets of uncharted ocean worlds. Melding avian flight configurations, reptilian adhesion, and mammalian tenacity, the creature poses a significant threat to exploratory landing parties due to its instinctual drive to deactivate high-tech equipment and magical spell focuses during close-quarters engagements.

Core Statistics

• Level: 4
• Perception: +11; Darkvision 60 ft., Passive Perception 21
• Skills: Athletics +13 (+15 for Climbing), Stealth +12 (+14 in aquatic or coastal environments), Survival +10
• Str: +4, Dex: +4, Con: +2, Int: -4, Wis: +2, Cha: -2

Defenses

• AC: 20 (EAC), 22 (KAC)
• Fort: +10, Ref: +13, Will: +7
• HP: 60
• Immunities: None
• Resistances: Non-magical ballistics 2

Movement and Features

• Speed: 30 ft., climb 30 ft., fly 90 ft. (average), swim 40 ft.
• Micro-Setae Spider Climb: The sphyraenavenator can move across perfectly smooth vertical surfaces and upside down on structural ceilings at its base climbing speed without needing to make an Athletics skill check.

Attacks

• Melee (Standard Action): Crushing Jaws +13 (Streamlined, Reach 5 ft.), Damage: 1D10 + 4 piercing damage plus Grab (DC 13).
• Melee (Standard Action): Wolverine Claws +13 (Agile, Reach 5 ft.), Damage: 1D8 + 4 slashing damage.

Special Actions

• High-Velocity Dive (Two Actions): The creature flies downward at least 30 feet from a higher elevation and executes a claw strike. On a successful hit, it inflicts an extra 2D6 precision damage, and the target must succeed on a DC 21 Reflex save or be knocked completely prone by the kinetic force of the impact.
• Deactivate Focus Tech (Two Actions): The sphyraenavenator targets a held plasma weapon, technical item, or magical spell focus carried by an opponent. It makes an Athletics check against the opponent’s Reflex DC. On a success, the item is forcefully yanked away or short-circuited. If the targeted gear was actively held, it falls to the ground and becomes completely unattuned and inert, preventing its use until a 10-minute recalibration or re-attunement ritual is successfully completed during a rest cycle.

Traveller (Core Rulebook Update 2022)

Sphyraenavenator Volans (Amphibious Cliff-Diver)

Encountered primarily on wet, high-hydrographic worlds with low tech levels or ruined pre-spaceflight coastal arcologies. This feral hunter blends the sleek torpedolike build of predatory marine life with the high-speed flight mechanics of planetary raptors. Travelers exploring jagged sea cliffs, abandoned automated factories, or atmospheric storm clouds should watch high perches to avoid devastating vertical ambushes.

Characteristics

• STR: 9 (+1)
• DEX: 11 (+1)
• END: 8 (+0)
• INT: 2 (-2)
• INS: 10 (+1)
• CHA: 4 (-1)

Derived Combat Stats

• Pack/Scale: Solitary Chaser
• Weight: 60 kg
• Armor: 3 (Thick overlapping iridescent fish scales)
• Maneuver Speeds: Walking 9m, Flying 28m, Swimming 12m
• Melee Attack (Claws or Bite): DM+2, Damage 2D6

Skills

• Athletics (Climbing) 3, Athletics (Flying) 2, Athletics (Swimming) 2, Recon 2, Stealth 2, Survival 1.

Special Rules

• Suction-Pad Wall Ascent: The beast utilizes microscopic setae on its limb pads to traverse perfectly vertical concrete, glass, or stone masonry walls at its base walking speed without requiring an active Athletics skill check roll.
• Refractive Scale Camouflage: The creature’s scale plating alters its light-refraction signature, granting a DM+2 modifier to all Stealth tests when hiding in shallow water, dim lighting conditions, or against coastal rock structures.
• Target Inventory Item: Instead of rolling for standard physical damage during a melee engagement, the beast can attempt to strip away or deactivate a traveler’s held weapon, sensor pack, or electrical spell focus gear. The creature makes an opposed Athletics (Climbing) check against the traveler’s Dexterity. On a success, the item is forcefully pulled loose, immediately severing its operational connection and rendering it inert until fixed or recalibrated outside of active combat.

Warhammer Fantasy Roleplay (4th Edition)

Sphyraenavenator (The Silver Scale-Feather Terror)

A terrifying feral monstrosity that haunts the rocky coasts, high sea cliffs, and damp industrial ruins of coastal principalities. Combining the elongated, razor-toothed jaw of a great marine predator with the expansive feathered wings of a falcon, this solitary hunter uses its sticky gecko-like limbs to scale sheer stone towers. It is notoriously aggressive, frequently targeting the hand-slot equipment, weapons, and magical focuses of passing adventurers to leave them defenseless.

Characteristics

• WS: 45
• BS: 00
• S: 40
• T: 35
• I: 45
• Agi: 50
• Dex: 20
• Int: 15
• WP: 30
• Fel: 10
• Wounds: 14
• Movement: 4 (Walking) / 12 (Flying) / 5 (Swimming)

Traits

• Amphibious: The creature suffers no movement penalties underwater and can breathe perfectly in both air and water.
• Armor (3): Hard, light-refracting silver fish scales cover the torso, acting as Grade 3 Armor Plate on the Body and Tail locations.
• Fly (12): The creature utilizes its falcon-derived wings to soar and dive through atmospheric storm paths.
• Night Vision: It can perceive its surroundings clearly in dim or dark lighting conditions, tracking movement with ease.
• Wall-Crawl: Utilizing dense microscopic setae pads on its feet, the beast automatically climbs vertical cliff faces, castle masonry, and factory walls without making a test.
• Weapons (Claws/Bite): +7 Damage (Slashing/Piercing attributes applied directly).

Special Mechanics

• Diving Drop Ambush: When the creature initiates an attack by diving down at least 10 yards from a high perch, its opening strike gains the Impact quality and inflicts an additional +3 Damage on a successful hit.
• Deactivate Attuned Focus: The creature can choose to perform a targeted disarm attack against an opponent’s held weapon, shield, or magical channel focus instead of dealing physical damage. It makes an opposed Weapon Skill test against the defender. If the creature wins the test, the item is ripped away, immediately breaking its active attunement or link. The item becomes completely unusable and inert until the owner completes a dedicated 10-minute ritual to reset the connection.