"Why I'm tired." He took the feather. "This is from Sariel. It's an angel feather. They have magical properties, but can drain power from demons."
He took it, looking at it as if he were unsure what to do with it. Zad folded his hands behind his back. "Probably not much. Just a similar reaction."
Addie frowned, taking the feather and tucking it behind Sariel's ear as she squinted at Zad. "You guys should try it to see if you'll explode."
She led them back out to the courtyard and gestured to the towering trees, the ice one in between the two. She slipped slightly on the ice on the ground, but steadied herself.