Realms: Any
Minimum Level: 30
Starting NPC: Mophis
Duration: All Day on Any Day

Owners of Freya's Earring, an Oceanblue Pearl, Berry Heart, and a Lunar Tear can speak with Freya to exchange them for Dust of Dreams.
Freya's Earring can be purchased from Kardanny in Atlantis
Oceanblue Pearl is dropped by monsters in Rainbow Valley
Berry Heart is dropped by LV30+ Monsters
Lunar Tear is dropped by LV30+ Captains and Evil Adventurers. Dust of Dreams is available in the Credit Marketplace.