Tharsis Vrul

Tharsis Vrul is a named Daemon located in Solania Catacombs. He is sought after for the Heart of Vrul. He 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.