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Blackmoor 15
Dark Sun 4 +1 = 5
Eberron 7
Greyhawk 10
Lankhmar 16
Mystara 20 - 2 = 18 at this rate mystara will win, and I can't allow that. Yes, it may be blackmoor 2.0, but to me it's Diet Forgotten Realms.
Spelljammer 9