@Riot how do you decide your "difficulty ratings"?
For those of you that don't know, champions currently have 4 ratings hat dictate their potential with AD, Tank stats, AP, and their difficulty rating. I've always found the difficulty ratings to be the most interesting, so I was wondering how they're decided. For example, why is Annie considered to be 5/10 where Ziggs is 4/10? Just wondering what factors you consider.