IGN: A lot of people are intimately familiar with DotA, its massive roster of heroes, and its complex inner workings. This isn't for you. This is a series where we talk about the roster of Dota 2 hero by hero from a broad perspective. We know that entering into Dota 2 is going to be daunting for a lot of people, and choosing a hero is no simple task. We hope this helps you make that choice.