You grip one target with the phantasmal pressure of the deep sea, disorienting and crushing its lungs and joints. The target takes 6d6 bludgeoning damage and other effects, depending on its Will saving throw.
Critical Success The creature is unaffected.
Success The target takes half damage.
Failure The target takes full damage, and feels as though it's being crushed. The target also becomes Grabbed, but it can attempt to Escape with an Escape DC equal to your spell DC.
Critical Failure As failure, but the target takes double damage.
Heightened (6th) You can target up to 5 creatures.
Traits
An action with this trait requires a degree of mental concentration and discipline.
You must physically manipulate an item or make gestures to use an action with this trait. Creatures without a suitable appendage can't perform actions with this trait. Manipulate actions often trigger reactions.
A mental effect can alter the target's mind. It has no effect on an object or a mindless creature.
Effects with the water trait either manipulate or conjure water. Those that manipulate water have no effect in an area without water. Creatures with this trait consist primarily of water or have a connection to magical water.