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There is no 'h' Who'd have thought that Halo once looked like this? The LSS The Mirratord
You left out the option for none of them. I'm quite happy playing as a Spartan. I don't even use the Elite model. Also it could never be balanced or fair, for example a drone can fly - how would a team of drones against a team of grunts be fair? It doesn't work if you keep adding characters.
OH. DE. ES. TEE.nuff' said.