Determined to protect his beloved home of Paradis, Eren uses the Founding Titan's power in an attempt to wipe out the rest of humanity. As the droves of Titans press on, Eren becomes long unrecognizable as a friend, a brother, a savior...and soon indiscernible from a devil. Now, Mikasa, Armin, and the surviving members of the Survey Corps must band together with their sworn enemies—Marleyan soldiers and 104th defectors—to save the world.