Meliodas vs. Diane

Meliodas vs. Diene is a battle fought between Meliodas of the Seven Deadly Sins and Diane of the Seven Deadly Sins.

Prologue
After Meliodas learned about the daughter of Dr. Dana, he together with Elizabeth and Hork went to save her first, instead of Ban. On their going to Baste Dungeon, they encountered the wandering Diane, which was confused and didn't remember what she was doing.

Battle
But Diane who have fallen under Ruin from the Weird Fangs trick, though that Meliodas was Ruin and attacked him sending him flying. Looking at her eyes, Meliodas understood that she can't see them and decided to run to avoid the fight. They saw shepherds and took them with themselves, since they would have been caught in the action and hidden. Meliodas decided to see where Diane was, but ended in the same trick as Diane, and was seeing her as Ruin and he immediately attacked her. He jumped and made a rolling slash, but Diane was able to block it. Diane then hit the ground, sending sharp pillars towards Meliodas, but he was able to deflect her attack. Diane trying to stomp Meliodas, with multiple hits, but he was able to dodge them all. She complimented him that he is tough for a midget knight, and he complimented her for being so quick, even though it's a giant. Meliodas jumped and tried to slash Diane multiple times, but she blocked all of them. After that Elizabeth told them to stop, and Diane was able to hear her and got out of hypnosis, she was the little kid she met at her way to Baste Dungeon, who in reality was Ruin, who hypnotised her again. Couldn't see anyone again, she attacked again Meliodas thinking he is Ruin and crushed him into the ground.

Aftermath
After Elizabeth took the bell from the staff of Ruin, he lost his hypnotise abilities and both Meliodas and Diane went out of hypnosis and stopped fighting. Meliodas quickly grabbed Ruin's hand, who was trying to kill Elizabeth.