Azazael. Balthazar looks at the luminous wings, feels the aura of this uncorrupted angel, and sighs, a little smile crossing his face. "From this Lucifer's world, I presume? Your namesake in my world is...very different."

He holds out his arm, offering to help the young angel up. "Goodness. You really should have knocked; I was startled. But you're welcome here now that I know who you are. You were looking for him, I imagine. He's resting."