It would be great to be able to show off your 3 phantoms, or 6 unbrokens, 11 sum of all tears, etc. I would love to show off all of my tier 7 medals or 155 postmortems (:P). You could make medals into wearable emblems that you get after the match, or you could have it as a seperate thing.
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people would just bitch about them not taking shaders and ruining thier "look."