Evil Fog in Heroes 3

Maps that place it

• Grave Robber×2
• Union×4
• Fall of Sandro×5
• Final Peace
• Wrath of Sandro×6
• Invasion×18
• Cutthroats×5
• Valley of the Dragon Lords×7
• A Thief in the Night×8
• Clearing the Border×2
• Master×5
• Finneas Vilmar×10
• Duke Alarice×9
• Back for Revenge (Allies)×15
• Back for Revenge×15
• Battle of the Sexes (Allies)
• Battle of the Sexes
• Hatchet, Axe and Saw×3
• Heroes of Might, Not Magic (A)×12
• Heroes of Might, Not Magic×12
• Island King (Allies)×10
• Island King×10
• Merchant Princes (Allies)×11
• Merchant Princes×11
• Peaceful Ending (Allies)×10
• Peaceful Ending×10
• Pestilence Lake (Allies)×2
• Pestilence Lake×2
• Reclamation (Allies)×20
• Reclamation×20
• The Great Race×4
• Too Many Monsters