Attack on Titan Season 2, Episode 4 ("Soldier") intensifies the Battle of Utgard Castle, featuring the brutal deaths of veteran Scouts and the shocking reveal of Ymir's Titan transformation. The episode, highlighted by the Beast Titan's interference and heavy foreshadowing regarding Reiner and Ymir, marks a critical turning point for the survey corps. For a detailed breakdown of the episode, visit Attack on Titan Wiki . Attack on Titan Season 2 Episode 4 Review: Soldier