C93 nine coffin nails

Xu Kai accepted his orders and left. Once again, the only people left here were the old man, me, and that skinny youth.

"What are you looking at!" The demented old man took his face away from the stove mirror and turned to look at me, his tone full of ill intent.

"I'm looking at you, you lunatic! A complete and utter madman! " I don't understand either. It's fine