Uk'otoa

 is a leviathan imprisoned under the Lucidian Ocean. As an NPC, is played by Matthew Mercer.

Appearance
Legend says that they're a large serpent-like creature with many eyes along their body. On the Altar above Captain Avantika's door they are represented by an Ouroboros with nine eyes over it's body.

Background
Trapped during the Calamity. Once controlled the entireity of the Lucidian Ocean.