I can't believe you both have so little faith in me.

[......]

Well. I suppose it doesn't matter. It's not like he can read this and we are meant to be bonding as a cohort.

Killian Lu sustained some kind of injury the night of the Rush Week party. The healer that was patching him up couldn't identify what caused the injury. He said that it wasn't caused by a monster and was being quite cagey about it. Like I said. Suspicious behavior. He later denied that he'd been injured at all that night, so he's clearly a liar too.