She would eventually stop struggling from her binds and explain herself to him. "I'm the other Cass, the one who wants to eat people's souls and destroy Earth. And since Beelzebub is getting tired of his slaves, I figured that I should capture you three and give you to him. Or maybe to Lilith, she and her snake needed some new playmates. But looks like I may have underestimated you. Anyway, the contract can only be cancelled if either the master or the familiar dies, or the master becomes a slave to someone except for his or her familiar. And since I'm her other half, she dies if I die and vice versa."