Be aware of this kind of UBRS raid leader! : classicwow
After killing Emberstrife and getting our guild's first UBRS key an entire raid of people wanting to complete their Onyxia Attunement an hour before their raidtime showed up. : classicwow
Classic WoW - Upper Blackrock Spire Guide (UBRS)
Esfand on Twitter: "CLARIFICATION FROM BLIZZARD ABOUT THE UBRS QUESTION. Loot Trading will only be in effect for content with a raid lockout. This means: Molten Core Onyxia Blackwing Lair Zul'Gurub AQ20