Attack on Titan, Vol. 21

Locked in desperate battle with the man-eating Titans, the Survey Corps gets closer than ever before to Eren s basement and unlocking the mysteries of their walled world. But to get there, they will have to make a terrible choice with life-altering consequences for every surviving human soldier... Humanity has been devastated by the bizarre, giant humanoids known as the Titans. In this post-apocalyptic sci-fi story, humanity has been devastated by the bizarre, giant humanoids known as the Titans. Little is known about where they came from or why they are bent on consuming mankind. Seemingly unintelligent, they have roamed the world for years, killing everyone they see. For the past century, what's left of the human race has hidden in a giant, three-walled city. Now, a young boy consumed with rage displays a strange ability: The power to transform into a Titan! Is this the lucky break humanity needs to survive?