Kal'gerion demon - The RuneScape Wiki

Kal'gerion demons are powerful Infernal demons that can be found in their resource dungeon and the Demonic Ruins. Level 90 Dungeoneering is required to damage the demons. The variants roaming in the Demonic Ruins are aggressive. They can be assigned as a Slayer task by Kuradal, Morvran, Mandrith, or Laniakea.

Ancient Summoning - The RuneScape Wiki

Lesser demon (Wizards' Tower), RuneScape Wiki

Abyssal demon, RuneScape Wiki

Ripper Demon, RuneScape Wiki

Demon Flash Mob, RuneScape Wiki

Zamorakian butcher demon, RuneScape Wiki

Demonic Ruins - The RuneScape Wiki

Morvran - The RuneScape Wiki

Kal'gerion demon - The RuneScape Wiki

Demon slayer circlet - The RuneScape Wiki

Silverlight, RuneScape Wiki

The Magister - The RuneScape Wiki