Billy's words combined with the knowledge he had of what Isabelle's whip could do actually made him curious as to if her whip could actually have any kind of affect on him. He didn't necessarily want to put it to practical use because no one needed to lose limbs but he was still curious.

"Greater Demons can take a lot of abuse but if she uses that whip or we get a seraph blade in them, they're pretty much done," Alec said, shrugging. "Seraph blades are in short supply here, though. I've got one that I haven't used yet."