Blue Exorcist manga volume 21 features story and art by Kazue Kato.

An attack on Tokyo by a huge demon that is visible to almost everyone marks the start of an unprecedented outbreak of demonic activity around the world. While the Knights of the True Cross and the Japanese government scramble to contain the damage, Lightning’s investigation into the Illuminati has pushed the Knights of the True Cross—and Yukio—just a little too far. Now Yukio rushes to confront Mephisto, determined to hear the truth of the circumstances of his and Rin’s birth. Yet Mephisto, aloof as always, still seems to be pulling everyone’s strings. For Yukio and Rin, there will be no easy answers…

Blue Exorcist manga volume 22 features story and art by Kazue Kato.

The seals binding the artificial Gehenna Gate are broken, and the world is gripped by demonic chaos! As the Exwires try to figure out what to do without Rin and Yukio, and the Knights of the True Cross scramble to regroup, everyone seems lost. As nations around the world struggle to contain the outbreaks, Rin faces Mephisto, demanding to hear about his past. Mephisto couldn’t be more delighted to show Rin what happened all those years ago—but as Mephisto warns him, the story can only end in tragedy…

Blue Exorcist manga volume 23 features story and art by Kazue Kato.

The tragic story of what happened to Rin and Yukio’s mother, Yuri Egin, continues to unfold. Yuri and Father Fujimoto were once up-and-coming young Exorcists involved in Section 13’s extensive operation to research elixirs of immortality and develop clones to house the spirits of demons. The project seemed to be moving ahead until the unexpected manifestation of a demonic spirt into one of the clone bodies. And not just any demon—the most powerful demon of all: Satan!

Blue Exorcist manga volume 24 features story and art by Kazue Kato.

Rin bears witness to the fateful Blue Night when his mother, Yuri Egin, gave birth to both Rin and Yukio. Rin never wanted to see—or even know about—his birth, but now he has learned something about himself that he may need in the coming conflict. Meanwhile, aboard the airship Dominus Liminus, the Illuminati and Lucifer move forward with their plans to bring forth Satan and return the world to nothingness. Lucifer has welcomed Yukio as an ally, but Yukio has other ideas…

Blue Exorcist manga volume 25 features story and art by Kazue Kato.

As his vision of the past draws to a close, an older Rin bears witness to the tragic climax of the Blue Night. He watches as Satan’s cloned body can no longer contain the massive cosmic energies within him. The Knights of the True Cross are faced with an unprecedented crisis as a wave of destruction begins to sweep across the world. Although just a newborn, Rin is hugely powerful and his demon heart scourges the Knights of the True Cross with its fire. The blue flames continue to spread and no one will be spared their heat…