The League of Legends Website has word from Riot Games that this online multiplayer session-based game will be free, and will be funded through a microtransaction system. Word is: "Recently nominated for the Game Critics Awards Best Strategy Game of E3, League of Legends will be available for Windows PC in September 2009. Riot has also unveiled details about optional payment which will enable additional virtual currency to be used within the Summoner system meta game for play diversity, customization and novelty." This page has further details on the Summoner system, and this page has details on an online chat session scheduled for Friday to discuss the game and its new business model.