Items, NPCs, quests, objects and spells of patch 1.12.1, read live from the realm itself.

Iridescent Sprite Darter Wing

NPC Level Zone Chance

Sprite Darter 43 - 45 Feralas 80.0%

Captured Sprite Darter 42 - 43 Feralas 80.0%
Quest Level Side

A New Cloak's Sheen 45 Both

NPC	Level	Zone	Chance
Sprite Darter	43 - 45	Feralas	80.0%
Captured Sprite Darter	42 - 43	Feralas	80.0%