Two sisters who led very different lives and their sons who are connected by fate. During the night of the new moon, León's life is consumed by Madou Ring Zaruba while Alfonso learns of his bloodline as well as the state of his country.

Bernardo and Germán finally come face to face in battle. Alfonso and León leave the two of them behind in order to chase down Mendoza, only to find a castle void of people and full of Horrors. As they search for him, Mendoza continues to prepare...

The final battle with Mendoza is about to begin. They must fight the great creature that is being summoned, but León wants his personal revenge against Mendoza first. How can an immature Golden Knight who fights for the wrong reasons protect anyone?

Germán appears before León and the others once again, telling them to stop their search. León learns why the Watchdog Center has decided to help Mendoza. Valiante must be sacrificed for the better good. Still, he raises his blade and fights.