The episode begins with Leo reflecting on Roselia's words from the past, emphasizing that it is his duty to find the true Roselia. He is determined to use the demon sword to destroy the false goddess and continue his search for the true Roselia, believing that the sword will guide him to his destiny.

Selia, healed by Leo's blood, is ready to fight by his side. Leo plans to gather enough energy to unleash a powerful attack with the demon sword. He asks the undead warriors, the heroic Three Warriors of Rognas, to protect him as he prepares for battle.

Selia leads the knights of House Crystalia into battle while Leo focuses on channeling energy into the demon sword. The undead warriors offer their souls to amplify Leo's magic, and the souls of the citizens join him, driven by their desire for vengeance.

As the battle grows fiercer, Leo gathers the souls of the dead to strengthen his attack. Selia bravely leads the knights in the fight against the Void Lord, determined to protect the vulnerable Leo.

Leo, now empowered by the souls of the dead, unleashes a devastating attack with the demon sword. The battle reaches its climax as he faces the Void Lord, resolved to end the threat once and for all.

The episode ends with the aftermath of the battle. Selia and her allies have survived, but they must reflect on the consequences of their actions and the secrets surrounding the Void Lord, the false goddess, and the true nature of the demon sword.

Leo contemplates the future, planning to expand his territory and rebuild his kingdom. Meanwhile, Selia and the others reflect on their experiences and prepare for the challenges ahead.