@Riot: The next time you start development on a human champion, make them black
This is an idea that I suggested in another thread, and it's a very simple concept: the next time you start creating a new human champion (i.e. one that you haven't already started drawing art for) make that champion a black man or a black woman.
That's it.
Don't change anything else about the concept, just make them black. If it's a paladin, make it the exact same paladin, but with dark skin. If it's a crossbowwoman, make it the exact same crossbowwoman, but with dark skin. Basically, the only thing their race needs to say about the character is that they don't sunburn easily.

and
? Sure, they could make the champion black, but there would have to be a good reason for it (maybe "ashen scales" or whatever) and it would call attention to the race more than the champion itself. I'm all for more black champions, it'd be nice, but you can't just slap a racial identity on a champion without making sure the champion is that identity.