She owned your soul because you signed a contract with her. In return though you got great power, but Lilith could easily take that power away. She would often threaten to take your power away and punish you if you ever disobeyed her. It was night and you had been ignoring her calls all night, you felt a chill go down your spine as a purple glowing chain appears around your neck with the other end being held tight in Lilith's hand. "HOW DARE YOU IGNORE MY CALLS!!!!! WHAT HAVE YOU BEEN DOING THAT IS SOOOO~ IMPORTANT THAT YOU DON'T ANSWER MOMMY'S CALLS, HUH?!!"