Thalassa - Floor 6

Floor Boss Level: 350

A vast water world dominated by ancient underwater ruins. Adventurers must manage their air supply by surfacing or finding air pockets as they explore the remnants of a lost civilization. Water spirits and water wyrms guard scattered surface temples connected by extensive underwater passages.

Boss Fights

Floor Boss (Level 350)
Defeat to unlock Floor 7.

Field Boss
Optional challenge hiding within the underwater ruins.

Special Features

Diamond Ore
Mine diamond ore from surface temples. Use it in the Forge on Floor 5.

Coral Sanctum Quest
Underwater temple quest with valuable rewards. Check the Quests wiki for details.

Slack Water
Tova, on the surface, wants the shallows cleared and then the ruin floor counted. Pays a permanent reduction in how fast your breath drains. Check the Quests wiki for details.

Statues
Interact with statues scattered across the floor to receive rewards.