Spirestone Lord Magus
Found in Blackrock Spire.
Item Count Chance 
Ogre Warbeads quest2-3 50.0% 
Globe of D'sak1 33.3% 
Ogreseer Tower Boots1 33.3% 
Magus Ring1 33.3% 
Runecloth2-4 19.0% 
Dark Iron Scraps2-4 11.0% 
Unadorned Seal of Ascension1 7.50% Zone Spawns Coordinates Blackrock Spire 1 instance
Bloodlust
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Polymorph
Arcane Bolt