Skybuilders' Plant Oil

Skybuilders' Plant Oil is miscellany used in the Ishgardian Restoration.

Source
Skybuilders' Plant Oils can be crafted by alchemists as a level 40 recipe with the following materials:
 * x4
 * x4
 * x2
 * x4
 * x2

Uses
Skybuilders' Plant Oils are exchanged for in custom deliveries to Potkin in The Firmament.