the scouts reclaimed wall maria after the battle against the beast, armored and colossal titans. Through the battle, all but nine scouts were killed. The remaining scouts are Armin, Mikasa, Eren, Sasha, Connie, jean, floch, Levi and commander Hange. After the battle, they were finally able to reach the jeagers basement and discover the truth about humanity. It hadn't been pushed to the brink of extinction, it was thriving beyond the walls. The country of Marley had been bringing eldians to paradise, turning them into pure titans and leaving them to wreak havoc on the island. They were seen as devils

Over the course of a year, they cleared paradise of the remaining titans, finally reaching the sea