Moira, the new 'Overwatch' healer, grew from a simple idea: We need a villain

Blizzard knew two things going in with Moira: She needed to be a healer, and she needed to be a villain.
"If you look at the roster for Overwatch, it has these amazing heroes but not really a whole lot of villains," Blizzard designer Scott Mercer said in a post-BlizzCon interview.
SEE ALSO: Blizzard made a Blizzard-themed theme park for the newest 'Overwatch' map
"I think to really tell a lot of great stories, it's not just about the heroes. You need to have these great villains for them to face