Fan-favorite Hange might not have all the answers, but they tried their best, learning from every failure and setback. Hange was one of the most important characters in Attack on Titan, being a squad leader in the Survey Corps when the series began and becoming its commander in the majority of the second. 15 août 2021 · Attack On Titan: Eren's 10 Biggest Failures, Ranked Home Lists Attack On Titan: Eren's 10 Biggest Failures, Ranked By Ajay Aravind Published Aug 15, 2021 Even before he became Attack on Titan's biggest antagonist--and certainly after--Eren made a lot of mistakes and failed a lot of people.