Blue Exorcist manga volume 29 features story and art by Kazue Kato.

The Knights of the True Cross and the Exwires have fully engaged Satan on all fronts. Rin has confronted Satan head-on, and despite being blown apart, Rin’s own demonic nature allows him to reform and stay in the fight. Now, Shemihaza begins a ritual to crystallize and trap Satan—a ritual that Shiemi will play a crucial part in. When Satan takes his transformation to the next level, even time itself warps under his power, showing everyone a future they could never have imagined…