Betrayal is an act that many people find unforgivable. In anime, it always seems to happen in a big way and when you least expect it. It has the ability to bring out the worst in people, and has been known to result in some pretty intense battles and tragic character endings. With that being said, fans can agree that an epic betrayal paves the way for the best revenges in anime. In fact, some of the best shounen anime wouldn't be around without it!
The most epic anime betrayals usually take the form of a hero turning into a villain, or of an innocent character revealing a dark side. Compiled here are some of the craziest betrayals ever witnessed in anime. Be forewarned: there are spoilers ahead! Vote up the most shocking duplicity and deception schemes that took you by surprise.