a Meph run is basically killing the act 3 boss, Mephisto
mf is Magic Find %. Its a modifier on blue equipment that increases the chance of blue items dropping.
Hell is "Very Hard". Normal = Normal. Nightmare = Hard. Hell = Very Hard.
Druid is a class that comes in the expansion. They can be fun since they can be werewolves or TORNADO's.
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Nice catch BlAcK TuRtLe.
But too bad your ass got SAAAAAAAAAAACKED.*tackles*