Be aware of this kind of UBRS raid leader! : classicwow
here's what you had to do before fighting Onyxia, the first raid boss in vanilla. nowadays to do a raid you can just press a button and wait a few minutes and
How to find the entrance to Blackrock Spire - World of Warcraft - YouTube
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Blackrock Spire - Zone - World of Warcraft
How the Alliance gets attuned to do Onyxia's Lair by doing the most epic questline in WoW Classic
WoW Classic: Descend Into the Depths of Blackwing Lair — World of Warcraft — Blizzard News