User D20M Advanced Classes by Type
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Homebrew Advanced Classes by Type
The below organizations are from Wizards of the Coast, and they are divided into 6 main types; Bad Guy, Combat-Focused, Good Guy, Moderate Spellcasting, Strong Spellcasting, and Separate Spellcasting. To go to the list of the PrC's in each of these categories click on the blue link below.