Diane, King & Gowther vs. Mod & Ganne

Diane, King, & Gowther vs. Mod & Ganne is a battle fought between Diane, King and Gowther of the Seven Deadly Sins and Mod and Ganne, the two vampire brothers and royal members of the Vampire Clan.

Battle
Diane and King are pushed back by Mod and Ganne who praises their own combination of magical and physical power. Diane worries of what to do since the vampires still have a third ally that doesn't come to fight yet. King affirms that even if the two vampires are strong, they are nothing the two of them could not defeat, and that the true problem is that the both's strength is completely sapped. The two Sins thinks that it is because of the vampires's power, unaware that it is in fact Ban's Snatch who has fun causing them difficulties while drunk.

As the vampires manages to put Diane and King in disadvantage, Mod gives King a hit of his Black Whirlwind, claiming his desire of drink his blood while Ganne pretends to drink Diane's. However, for the surprise of both vampires, Ganne suddenly crush Mod with his hand. There, Mod cuts Ganne's head in half without any of them understand why. The third vampire is revealed as the responsible and asking for his treason, Mod notices that he don't known who he is. The killer is then revealed as Gowther, who have altered everyone memories to believe him a vampire and then using Jack to control Mod and Ganne's bodies against their will. As the vampires dies, Mod curses have being deceived.

Aftermath
Twelve years later, Gowther revealed Ban's little stunt on King and Diane that nearly put them in danger during the mission at Edinburgh, prompting the two to inflict mutual payback on the dismayed immortal.