Tehialai-Thief-of-Ships
CREATURE 13Though her current form is but a small and pale shell of her former glory, Tehialai is a legend even in her waning days. The titanic crustacean wears the hulls of ruined ships as her shell, ripped into shape by vessel-rending claws, as nothing else in Golarion's oceans is large enough to shield her body-or perhaps nothing else will satisfy her. Few ships can withstand her might, and fewer still are prepared for her appearance. Those who don't know of the thief of ships won't know to watch for her coming, and those who do know Tehialai offer her tribute to ward off her predation.
This sense allows a monster to feel vibrations caused by movement through a liquid. It's an imprecise sense with a limited range (listed in the ability). Wavesense functions only if monster and the subject are in the same body of liquid, and only if the subject is moving through the liquid.
At the beginning of each day, Tehialai can molt to change the morph of her two massive striking claws. She chooses two morphs and adds their Strikes and Release Claw effects to the stat block presented here. Tehialai can molt two different claws or two copies of the same claw.
Tehialai hides within a shell made of all the ships she has stolen. This ship armor reduces any damage Tehialai takes by an amount equal to its Hardness. Once Tehialai is reduced to fewer than half her Hit Points, or immediately upon being damaged by a critical hit, her ship armor breaks, removing her Hardness and reducing her Armor Class to 32.
This long claw comes to a fine point, with barbs that can grip onto flesh and cloth alike.
The head of this short, blunt claw has a pattern not unlike a human face.
This chitinous disk bears numerous serrated protrusions, like a wheel of sharks' teeth.
This spherical, transparent growth sprouts vesicles of frigid water that detach and fly like sling stones.
A cluster of jagged salt crystals break off and regrow constantly as they draw salinity from the sea.
Tehialai attempts to capsize an aquatic vessel of her size or smaller that she's adjacent to. She must succeed at a DC 33 Athletics check (reduced by 5 for each size smaller the vessel is) or the pilot's Sailing Lore DC, whichever is higher.
Tehialai's spear shoots out, impaling prey and reeling them back. All creatures in a 40-foot line take 8d6 piercing damage (DC 33 basic Reflex save); creatures that critically fail are Grabbed until the end of Tehialai's next turn.
After Releasing a Claw, the claw depressurizes.
The impact of Tehialai's claw begets a burning vacuum. Tehialai makes a boiling club Strike against one target within 15 feet. If she hits, a shock wave booms out, dealing 3d6 fire damage and 3d6 sonic damage to all creatures except her within 15 feet of the target, including the target itself (DC 33 basic Fortitude save). If the Strike was a critical hit, the target uses the degree of success one lower than it rolled on its save. Unlike most fire abilities, this ability can be used underwater, and the typical 5 fire resistance for being underwater doesn't apply.
After Releasing a Claw, the claw depressurizes.
Tehialai launches a flurry of darts. She makes two salt dart Strikes against two different creatures. Both attacks count towards her multiple attack penalty, but she doesn't increase her penalty until after she has made both attacks.
Tehialai atomizes the water in her claw to create a mist that fills a 40-foot emanation centered on her and that lasts until the end of her next turn or until dispersed by a strong wind. All creatures within the mist become Concealed, and all creatures outside the mist become concealed to creatures within it. Wavesense functions through the mist and ignores the concealment.