Summons tidal waves to deal damage to all enemies and stun them for While in Rampage state, this skill transforms into a water vortex, dealing damage to all enemies and then performing an extra attack on the top healthiest enemies, causing damage.

Deploys four tentacles when a battle starts, with the front two engaged in battle while the rear two are on standby. Once the front tentacles are defeated, the rear ones will fight instead. Thalassa is Invincible before the four tentacles are defeated. When all four tentacles are defeated, Thalassa will enter a permanent Rampage state and deal damage to all enemies.

Thalassa's tentacles can "smash" or "sweep" enemies. "Smash" deals damage to all enemies in a targeted path, whereas "sweep" deals damage to all enemies.

Activates only when Thalassa is in Rampage state. Marks the farthest enemy with "Dead Tide Mark," reducing their Vitality by for After Thalassa will pull the marked enemy to the center of the battlefield, dealing damage and stunning them for