It’s a cosmetic for the Leviathan’s Fang Rod which you acquire by taking down the Scylla Boss once you reach the very depths of the Calm Zone. Also read: How to get Angler’s Lantern in Fisch ...

The Calm Zone is the last and the deepest area ... You must have the Frozen Leviathan, Magma Leviathan, and the Crowned Anglerfish to open the door.

you can get the Leviathan's Fang Rod from the Veil of the Forsaken area. You can reach this location after completing the chess puzzle in Calm Zone. To learn how to solve this puzzle and reach the ...