Skybuilders' Rings

Skybuilders' Rings are miscellany used in the Ishgardian Restoration.

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

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