Ender Essence

Ender Essence is an item added by Ars Magica 2. It's used as a crafting ingredient for the Keystone Receptacle, Astral Barrier, Pure Essence, and Deficit Crystal. Additionally, it's used to create certain spells in the Crafting Altar. Ender Guardians and Hecates have a chance to drop Ender Essences when slain.

Essence Refiner Recipe
Ender Essence can be crafted with the Essence Refiner.