Atheron Campaign Setting
by Atheron LLC
v1.0.2
Premium
Updated Aug 20, 2026
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Description
A grimdark D&D 5.5E campaign setting. Three kingdoms in cold war, cosmic horror bleeding through mana scars, and 13 ready-to-run adventures spanning levels 3-14. Includes 45+ maps, 16 original creatures, 50+ NPCs, endgame toolkits, and full lore chapters.
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