Gothic Chaos Essence

 is a catalyst which can be used in the process of upgrading the Damaged Chaos Lord's Cloak of Omnipotence available from content in the Justice League Dark episode.

Obtained from

 * Justice League Dark: Large Loot Cache

Trivia

 * Three pieces of Gothic Chaos Essence are needed to breakthrough milestone rank 1 of the Damaged Chaos Lord's Cloak of Omnipotence.