Attack on Titan: Before the Fall #13

The thirteenth and final volume of the Attack on Titan: Before the Fall prequel series, set decades before the main story. This installment concludes the tale of the Survey Corps' early struggles against the Titans, focusing on the development of the first prototypes of the Three-Dimensional Maneuver Gear and the human cost of innovation. Written by Ryo Suzukaze with art by Satoshi Shiki, this volume wraps up the original novel adaptation's storyline.