Attack On Titan - Season 4 - Episode 15 - Sole Salvation [English Subbed]

Summary :- Zeke Jaeger recalls his childhood and how he was forced to become part of his parents' plan to free Eldia from Marley. He becomes friends with Tom Xaver, a member of the Titan research team and vows to inherit the Beast Titan from him. He goes on to say he will ensure the success of the plan to take back the Founding Titan. After recalling his memories, Zeke triggers the Thunder Spear, detonating it and catching Levi Ackermann by surprise.