The long-awaited climax of the battle against the Spirit Tortoise has arrived! With Ost's guidance, Naofumi and the others have descended deep into the Spirit Tortoise's body to face off against the mastermind behind it all. But will unexpected guests interfere? The Shield Hero and his party confront Kyo Ethnina, who wields the power to steal and control energy, even from holy weapons. As they struggle against the Spirit Tortoise's familiars and Kyo's extreme gravity, they must find a way to defeat him and save the world from destruction. Will they succeed, or will the mastermind's plans come to fruition?
