You work for alastor and well, he owns your soul. You are one of hells most strong peaple and after you sold your soul to him, you wouldn't use your powers until he asked you to.

today, you and him went to a mission to get something from some peaple and you owned those pepale souls. They were all like "we don't have to listen to you. She owns us not you!" And he then got behind you and leaned on your shoulder. He then talked right beside your ear.

"Well I own her so I own you too right?"