Momonga, now known as the Sorcerer King Ains Ooal Gown, rallies the Sorcerer Kingdom and its undead army to join the fight alongside the Sacred Kingdom and the Slane Theocracy in hopes to defeat the Demon Emperor Jaldabaoth.
Kazuma's party is suddenly alerted by an outrageous letter delivered by Yunyun. The letter requested that they come to the Crimson Demon Clan's village, that is facing a threat that could mean it's ending.
