Pru has no context for what kind of person Foster is, or what he's personally dealing with. What she does know, however, is that a single person can't come before the the fate of the many, no matter who they are. To her, this sounds like a bunch of in-fighting about something she's no involved with, and she refuses to let it compromise this mission.

Her, Damien and everyone they care about are the ones that will have to deal with the consequences.

Pru draws her rapier again, the holy weapons called the Hand of God. It bears about as much magical weight as the name suggests, and she approaches Foster with it, pointing its edge in his direction. It's obviously a threat, though a latent one, for the moment. Her wings extends to her sides, enlarging her presence.

"If you want to die, that part is easy. There are plenty of creatures back in that castle that would be happy to do it for you. What I can't allow is you jeopardizing the lives of so many others based on your private disputes."

"Leave this place now," she demands. "Or I'll make you leave."