While there was no indication for it, the entire cave belonged to the goblin king and by entering inside any adventurer became his property to do whatever he wanted with. (Doomsatan666/ Isatan)
The two elves wanted to remain beautiful and in their prime forever, going so far as to summoning a demon. The demon lord granted their wish, but also enslaved them to an eternity of worshiping his cock. (StrayPaint)