A turn of the key in Amaterasu's mechanism has triggered the Great Cataclysm! The destruction of the world has begun... As Shinra and the Pillars have disappeared, the 8th fights to defend Amaterasu against the squirrels of the Great Preacher who attack tirelessly... carried by his love for Haumea and at the risk of his life, Charon frees all his power in a final attack, further advancing the clock of the end of the world. The flames of annihilation devour the planet... and it is despair that fuels them. Is there not an energy capable of opposing it? The brigades of the Fire Force are fighting their final battle for the hope and salvation of humanity!! Contains chapters 250 to 258.