The Gown of the Last Priestess is a quest reward available for Horde and Alliance characters.
There’s another similar dresse (same color, same art) available in-game.
You may or may not have completed that quest already. To find out, simply use a quest checker like: Icy Veins
- Source: Quest Reward
- Level: —
- Binds: BoP
- Armor: Cloth
- Slot: Chest