Sorry to say this, but Bard has by far the fastest exp at higher levels. Can CRUISE through by kiting mobs. My bard friend did level 59 in one day. 59 took my warrior constant play for a solid week to get done. Warrior is by far the hardest and requires grouping all the way through. Rogue, while requiring grouping, can at least sneak down to groups in dungeons.
Just some helpful advice
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