Attack on Titan: Wings of Freedom (2015)

With the Trost District now liberated from Titan control, Eren finds himself mentored by the skilled Captain Levi and his elite squad. They embark on a mission to help Eren harness his enigmatic powers, essential for humanity's fight against the monstrous foes. As they train and face new challenges, the bonds between them deepen, revealing the complexities of their struggle and the stakes involved. The journey not only tests Eren’s capabilities but also uncovers the true meaning of freedom in a world plagued by fear and destruction.