Shingeki no Kyojin Season 3 Episode 21 English Subbed Episode Title:Attack Titan.Episode Description:Armin transcribes Eren detailing Grisha learning the Owl's full name as Eren Kruger, the officer explaining how his desire to restore Eldia led to him participating in his people's persecution to maintain his cover. Kruger then reveals that those who possess the Titan Power live for only thirteen years, along with the two means of succession and the nature of the Coordinate, requesting Grisha to infiltrate Paradis and take the Founding Titan from the royal family...