Board Thread:Questions and Answers/@comment-167.21.42.41-20180426181707/@comment-2601:585:8503:918A:29CB:C619:18DF:2AB2-20180512041649

If you're going on the Wiki Page, you obviously don't mind spoilers. So with that being said: Meliodas disbanded the Seven Deadly Sins with the goal to become the Demon King. The remaining six pretty much said "Eff that," and stayed as a group with the goal to bring Meliodas back.