Since Patch 3.2.2, during Wrath of the Lich King and WoW's 5th Anniversary, Onyxia's Lair got revamped and turned into a level 80 raid. The quests below, as well as the
비룡불꽃 아뮬렛 are no longer obtainable, and thus no longer required to enter the raid.
The level 80 version of Onyxia's Lair is what we have ingame nowadays,
and you can check out all about the revamp on this post!