Core Essence item

Essence that seeped out of the Ark Grid Core. Can be exchanged for Core Chests through the Ark Grid Expert NPCs in cities.

It comes out of Clear: Armoche, Sentinel of the Abyss, Clear: Archdemon Kazeros, and Horizon Cathedral First Clear Reward. It is used to craft Ancient Core Selection Chest, Order Sun Core Chest: I, and Order Sun Core Chest: II.