White Steel Fang.The Zeravire in deep space receive an order to destroy all human life, by adapting to whatever is required to overcome the obstacle that would stop them. The Zeravire are evolving faster than expected. The firepower is greater than is needed to destroy humanity, they are evolving especially to overcome Gravion. A new weapon is being developed by the air force which is attracting attention. Gravion is being repaired from the previous fight. The President of the Earth Federation Alliance announces the new weapon, which is a large robot. Raven suggests that the White Steel Fang be used. A Zeravire lands where the new Earth Federation Alliance robot is standing, and waits. Sandman says he cannot approve a dispatch of Gravion, as the target of the Zeravire is Gravion and has evolved to counter all of Gravion's attacks. A new sword is added to Gravion, the Graviton Breaker. Sandman approves the dispatch now Gravion has a new weapon. Gravion launches a high speed surprise attack on the Zeravire but it survives the attack. The Zeravire pulls out a sword and parries Gravion's Graviton Breaker. Sandman prepares the White Steel Fang as Gravion is losing its battle. Just as the Zeravire is about to attack the Gravion again, the White Steel Fang appears and deflects it. Gravion picks up the White Steel Fang, which is the Super Heavyweight Sword. The Gravion performs the Super Heavyweight Slash technique with the White Steel Fang and the Zeravire is destroyed. At the castle, Ayaka emerges from a body of water.