When ignited by a source of fire, the tank explodes. 6d6 (6~36) Fire damage( Dexterity Saving Throw, DC 12, to halve) The dark, oily liquid inside this tank pulsates slowly, keeping time with your ...

As is common with all characters, once you're out of the Nautiloid, you get a very basic explanation of your main goal, which consists of freeing yourself from the tadpole in your head.