The 13th volume of the story features the attack of the Demon Emperor Jaldabaoth on the Holy Kingdom, which is known for its long peace and strong defense. The Holy Kingdom is facing destruction from the cruel and merciless Demon Emperor and the liberation army seeks aid from the Sorcerer Kingdom, a nation of the Undead and the mortal enemy of the Holy Kingdom. The Sorcerer King Ainz Ooal Gown leads the effort to destroy the Demon Emperor Jaldabaoth.
