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)
I still remember that time where my first Dom made me puke my blueberry pancakes on my boobs because of an intense deepthroat. I don't have content of that memorable moment, but here's how he found me when he entered the room to break me [OC] [F]