League Of Legends boasts a huge roster of playable characters which bring the potential for vast numbers of potential compositions, ability interactions. It also has a player base quick to seek out what's strong at any given time in the game's ongoing development. So how do you approach that as a designer? Is the idea of perfect balance even possible or do you tweak characters so that batches rise and fall in relative popularity? Michael got in touch with Riot Games' design director Greg ‘Ghostcrawler' Street to get a clearer feel for the studio's philosophy when it come to their champions.