Fusion Essence Type Soul is a powerful item in the game that can be used to upgrade your equipment. It is a rare item, but it can be obtained through a variety of methods.
One of the most common ways to get Fusion Essence Type Soul is to defeat powerful enemies. These enemies can be found in dungeons, raids, and other challenging areas. When you defeat a powerful enemy, you have a chance to receive Fusion Essence Type Soul as a reward.