Tharsis Vrul

Tharsis Vrul is a variant of Daemon located in Solania Catacombs which is sought after for it's Heart of Vrul. The Greater Daemon also drops the Daemon Trident.

Tharsis Vrul can be found behind a locked door hidden behind a secret wall and will appear after you defeat a wave battle. The door can be unlocked using the Solania Catacombs Bone Key which drops randomly off Elf mobs in the dungeon.