I Can Hear His Heartbeat: The Struggle for Trost, Part 4.With the supply depot swarming with Titans, Armin has the idea of using the mysterious Titan to defeat them. Mikasa and Conny agree with his plan and defeat the Titans attacking it, before rushing to the supply depot. Meanwhile, Jean and the others reach the supply depot despite suffering more casualties on the way, with Armin, Mikasa and Conny arriving soon after. Armin's plan works, but while the mysterious Titan is able to attract the enemies outside, seven smaller Titans remain in the fuel storage area. With their equipment out of fuel, Armin devises another plan. The survivors draw the Titans' attention to an elevator and shoot them in the eyes to blind them, while seven of them jump from the ceiling to finish them off. Sasha and Conny fail to kill their targets but are saved by Mikasa and Annie. Having successfully replenished their fuel, the soldiers prepare to retreat. As they see the mysterious Titan defeating all of the other Titans before collapsing, they are shocked to watch Eren emerge from its body. Mikasa reaches Eren and cries upon confirming that he is alive, while Armin notices that Eren's severed leg and arm have somehow regenerated as well.