This item drops from any trash mobs in the Molten Core. Though it is a quest item, it is not group-loot. Only one player may loot the goggles each time it drops.
Narain's Scrying Goggles as a quest objectiveEdit
This is part of the fork of quest chain:
Patches and hotfixesEdit
Patch 1.9.0 (03-Jan-2006): Added