Monarch of Gluttony: System of Sin - Chapter 240: 240: No way out

... he other Kings to take their experience, or kill the people of this floor since they also gave similar experiences because of being from this floor.

It was clear that they weren't going to kill other Kings since they needed a team and as many people as they could to take down the Guardian. By killing a King, they could definitely level up, but in the bigger picture, that was only going to reduce their combined strength.

As for the option about going to the lower floors, that was too ...