The Prosperous Cider Mill is a special production building released during the 2017 Fall Event. It can be obtained by using the Cider Mill Upgrade on the Bountiful Cider Mill. Cider Mill Upgrades are rewarded by completing the 2nd and 3rd Fall Event Quest lines, and by winning the Grand Prize in the Fall Event. The Grand Prize starts at https://forgeofempires.wikia.com/wiki/Bountiful_Cider_Mill 1000 Apples and increases for each Grand Prize you achieve.
- Prosperous Cider Mill