There are a number of holy relics Marcus can think of, although he can't imagine any of them would be easily accessible, even if they weren't stuck in this strange pocket dimension. He has his own weapons, his Bible, Mother Bernadette's crucifix, bottles of holy water, but Sabrina is right. Marcus doesn't know if he can banish the devil.

But then, he's never been one to back down from a challenge before.

"Does he react to holy symbolism?" he asks, knowing their worlds are different. "If I doused him with holy water, would he react?" He needs as much information as possible. They all do.