Corrupted creatures are high-level Slayer monsters found in the Sophanem Slayer Dungeon. Feathers of Ma'at are required to kill these monsters. While slaying these creatures there is a chance that the cat Katarina spawns. Corrupted creature Slayer tasks are assigned by Sumona, Kuradal, and Morvran. Sumona has a higher chance of assigning them. Any of the following monsters can be killed for a corrupted creature task, and several can be killed for other tasks as well.