He runs a hand down Istredd's spine.

"Better you than the kid," Lucifer says. They're both a weakness but only one is so openly known, or predictable, anyway. "At least you can defend yourself--though I would enjoy Wilhelm shoving all his overblown anxieties at Dean. That would slow him down far more than anything we could do." Lucifer knows. Lucifer experienced it once, and it's something he'd would never like to feel again.