Following her withdrawal with the Gregorii in Blue Exorcist, Vol. 27, Shiemi faces her old enemy, Amaimon, the demon king of earth, who drastically underestimates the power she has recently gained. For Shiemi to fully embrace her destiny, she must recognize and utilize her own true strength in this battle.
Meanwhile, back in the human world of Assiah, the fate of the entire world hangs in the balance as Satan and his demonic forces prepare for a massive showdown against Mephisto and the Knights of the True Cross. To prepare for this decisive conflict, the Exwires receive enchanted power-ups and finalize their battle strategy. Rin, who is committed to defeating Satan, is part of the vanguard team tasked with engaging the enemy directly. The time has finally arrived for Rin to fulfill his long-standing promise and use his unique powers to confront and overcome Satan, marking a critical turning point in the war between worlds ...
The story continues in Blue Exorcist, Vol. 29.






