Nature's Eye is an Uncommon Town Enchantment belonging to the File:Icon Nature.png realm. For File:Icon Mana.png it may be cast on a friendly town to increase that town's sight range to 5 tiles. The increased sight immediately reveals all unexplored tiles within 5 tiles of the town, and will continuously detect any enemy units within that area as long as the spell is in effect. The spell must be maintained with an Upkeep Cost of File:Icon Mana.png per turn.