A purple powder from another plane, and one of the six artifacts for unlocking Brizoor Waal. Found in the gurlung colossus.

When traveling to Affril, Plane of Knowledge, at the final battle of Brizoor Waal, the Pigment reacts in a positive way;

You pull your pack off and discover that the jar of lavender pigment now glows brightly, ever more so as you approach the massive crystal. The pigment’s light and heat are strangely reassuring. You open the jar and a blob of glowing pigment crawls over you. - Gate of Brizoor Waal (RPA-ADVF)