During the Rage of Demons[as of when?], Seppremis discovered a secret hideout of House Dlardrageth. Dreaming of the power he might gain, Seppremis explored the place and learned some of its secrets. With this vile knowledge, he decided to attempt the rituals that he believed could bring him great power and wealth. He evoked some manes and dretch. He was attempting to evoke a goristro when an adventuring party found him.