Midoriya, Todoroki and Iida vs Hero Killer Stain from Boku no Hero Academia Season 2 Episode 17 and episode 16. The fight is in HD quality and its not an amv . Stain is a villain and the main antagonist of season 2. He hunts and kills heroes and Iidas brother was a victim. Iida wants revenge for his brother and in finding . Midoriya finds a defeated Iida & saves him. Then later on, Iida is saved again, this time by Todoroki. They decide to tag team it, & it builds up for Iida to get it .