" Need something?” Akos said, like there would be trouble if Jorek did.
“Someone to spar with?” Jorek held up two practice knives just like the ones Cyra had, hard and synthetic.
Akos looked him over. Did he really expect Akos to just…train with him? Him, the son of the man who had once pushed a boot sole into Akos’s face?
“I was just leaving,” Akos said.
Jorek cocked an eyebrow. “I know all of this”--he waved a hand over his slim torso--“is downright terrifying, but it’s just for practice, Kereseth. "

― Veronica Roth , Carve the Mark (Carve the Mark, #1)