This Tower is available to unlock at Dragon Master Level 15.
Once your Dragons have found all of the pieces to rebuild the Tower, activating it will skip 8 hours of Food production.
Make sure you have all your Farms growing before activating it though!
Once your Dragons have found all of the pieces to rebuild the Tower, activating it will skip 8 hours of Food production.
Make sure you have all your Farms growing before activating it though!