Failure to comply with these two rules would result in the immediate death of the traitor.
Everyone in the room accepted Kevin's orders, and just like that, the new gang bosses gave their undying allegiance to the Boogeyman before departing from the warehouse.
In the end, everyone in the underground world was going to think that Brian Stark was still in charge, but those who were really close to Kevin and the late Brian Stark knew that the current King was the Boogeyman.
Meanwhile, Wolfgang resumed his subtle search for Kevin's mother in the underground world, but Kevin informed him that he'd be leaving the city in a few days, so the one in charge of keeping things in check while he was gone would be Wolfgang.