After the adventure lost to the creature, he used her body, while also taking full control of her mind. Erasing who she once was and turning her into the perfect toy for him.
I made fun of some girl’s outfit at the cosplay convention and she got a bit mad at me… then weirdly I passed out… when I woke up, I was gagged, forced to watch her swaying ass in MY cosplay, dragged by a leash, through the convention for everyone