Witch's Wardrobe
Ultra rare0.3%ObjectiveOptionalSingle-player
Baba Yaga: Equip the Dreamstinger and Wraithskin outfit together
Equip the Dreamstinger and the Wraithskin outfit at the same time - both are DLC unlocks. Once you have both, set the Dreamstinger as your bow and the Wraithskin as your outfit in the gear menu.