After find out what will be the grand prize of the festival, Gildeon, Meliodas Ban and King decide to participate, as well as the Knights Sacred Howzer and Griamore.
Merlin appears and ends with the plans of Vivian. Meliodas and Elizabeth station together again. Ban discovers will have to kill someone to Elaine rise again.
When the Seven Deadly Sins seem to be on the verge of defeat in a confrontation with Hendrickson, all heroes rise up and join forces to prevent demonic destruction and a new power for good emerges.