Upgrading weapons is a crucial aspect of combat in Fire Emblem Heroes. But after a certain point, you will find yourself lacking the required enhancement materials as your weapons reach Legendary status, and you will need much rarer items than Refining Stones. You will need Divine Dews to improve special weapons stats, and these materials are not easy to farm. Despite this, the following guide will help you master three methods for collecting extra Divine Dews and upgrading all your Legendary weapons as quickly as possible.