See for yourself the end of their story.

A colossal-sized omnibus film bringing together the last two episodes of Attack on Titan in the franchise's first-ever theatrical experience. After venturing beyond the walls and separated from his comrades, Eren finds himself inspired by this new truth and plots the "Rumbling," a terrifying plan to eradicate every living thing in the world. With the fate of the world hanging in the balance, a motley crew of Eren's former comrades and enemies scramble to halt his deadly mission. The only question is, can they stop him?