To assert his authority - and obviously it has something to do with his mum which is why he hadn’t touched Pinky. It’s hard to explain but similar to how he was a kid everyone around him is there for a reason. They gain advantage from him in result he’s able to do almost whatever he wants. ((I explained this very very badly but this doesn’t really explain why he killed him bcs he’s innocent but just why he can kill him ig))

why would he stab that poor guy and not the pinkie tho…? he was innocent wtf