Start from Glastheim (P) and walk south 2 maps, east 1 map, and north 1 map. You should be located on Far isld05. In the center of this map is a dungeon called Thulean Plateau. Make our way into that dungeon.
When you enter Thu plt01, walk to the northern center part of the map. You should see a valkyrie type statue on one of the support columns (Located at 135, 271)
After speaking to the NPC, you will be told to collect a Golden Anvil, Icarus Wings, and a Crest of Skoll.
Upon returning with those items and speaking to the statue again, she will ask for one final item; Svartrhud
After bring back the Svartrhud and a Golden Wings, you will obtain a Golden Wings (1)