Skin Game (The Dresden Files, #15)

by Jim Butcher

The guard glowered at me in silence, of course. It was an act. No one could resist my bluff and manly charisma. In his heart of hearts, he wanted to be friends with me. I just knew it.

“You’ve never beaten me, Knight,” Nicodemus said. “Almighty God as my witness, and as He gives me grace,” Michael said, “if you harm that woman, I will strike you down.”