Oasis of Zaara

From AoCWiki

Oasis of Zaara is an instance that can be accessed via the Purple Lotus Swamp. The quests for this instance are received in a town at Purple Lotus Swamp. Oasis of Zaara will populate with mobs scaled to the level of the first player to enter the instance from the group. All mobs within the Oasis of Zaara are considered elite status.