Magmus
Found in Blackrock Depths.
Item Count Chance 
A Crumpled Up Note1 25.0% 
Golem Skull Helm1 20.0% 
Magmus Stone1 20.0% 
Lavastone Hammer1 20.0% 
Totem of Rage1 20.0% 
Libram of Truth1 20.0% 
Burning Pitch1 18.0% 
Dark Iron Residue1-10 14.0% 
Coal1 10.0% 
Dark Iron Scraps2-4 9.00% Zone Spawns Coordinates Blackrock Depths 1 instance