Gemstone of Smolderthorn
From WoWWiki
- Gemstone of Smolderthorn
- Binds when picked up
- Unique
A quest objective of the quest 
[60D] Seal of Ascension.
Source
This item drops from 
[59+] 
War Master Voone in Blackrock Spire.
Patch History
In Patch 2.2, the gems for the Seal of Ascension are now a 100% drop from Overlord Wyrmthalak, War Master Voone and Highlord Omokk.
