Plans: Graviton Accelerator - Fellowship of the Arcane

Plans: Graviton Accelerator - Fellowship of the Arcane is a rare Justice League Dark R&D plan.

Obtained from
The item is a possible reward from defeating bosses in tier 9 instances from the Justice League Dark episode.

Trivia
Using this plan at a R&D Station will yield a Graviton Accelerator - Fellowship of the Arcane consumable.