Shingeki No Kyojin Episode 15 -

During a quiet moment, Petra reveals to Eren that Levi wasn't always a model soldier; he was once a notorious criminal in the Capital's underground until Commander Erwin Smith recruited him. Hange’s Titan Experiments

Hange reveals that Titans do not seem to need food or water but are strangely dependent on sunlight for energy. Eren is fascinated by Hange's empathetic approach to these "monsters," as she sees them as subjects of mystery rather than just enemies. The Mysterious Sabotage Shingeki no Kyojin Episode 15

The episode ends on a high-stakes cliffhanger that shifts the tone from exploration to suspicion: During a quiet moment, Petra reveals to Eren

Despite their lethal skills, Eren is surprised to find them focused on mundane tasks like cleaning the dusty castle under Captain Levi's strict, obsessive supervision. The Mysterious Sabotage The episode ends on a

Hange has been conducting bizarre, often painful experiments on two captured Titans named Sawney and Bean.

In of Attack on Titan , titled " Special Operations Squad: Eve of the Counterattack, Part 2 ," the story shifts from the courtroom drama to Eren’s integration into the Survey Corps. The Special Operations Squad

Eren is moved to an abandoned, remote castle that serves as the headquarters for the Special Operations Squad (Levi Squad).