One thing would be definitely cool in a League of Legends fighting game: There are so many champions in the game that playing them all would take a lot of time. Brazilian artist Iury Padilha transformed a few of these champions and the battlegrounds into a Guilty Gear-like 2D fighter.
Here's an other one from the same artist but with different champions and HUD:
League of Legends Fighting Game: Round 2 [iurypadilha, DeviantART]
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