Item No Longer Drops. Was used by the Blacksmith to craft the Legendary Bracers, Kethryes' Splint.
This item was changed to longer drop in Patch 2.0.6. This item now sells for 50,000 gold to a vendor.
Drops from various Unique Lacuni rare spawn monsters. Known spawn locations listed below.
The following video shows one of the unique monsters that drops this item. Note: The monster does not have a 100% chance to appear and it may take a few tries to find it.
In Patch 2.0.4 (4-08-2014) Blizzard stated the drop rates for Legendary crafting materials have been changed to match the drop rates for Death's Breath. Those rates are:
While the drop rates for Legendary crafting mats do scale with difficulty, their scaling is independent of the Legendary drop rate bonus slider in Torment 1-6.
"For some unknown reason, lacuni females share a great fascination with these urns, and they will fight violently to acquire or keep them." — Abd al-Hazir