Just had this drop off of the Enraged Resismus from the "Investigating a Disappearance" task in Dreadlands. Dropped along with the Blood for the quest.
Also drops off the orcs in elddar forest, legionaires, arcanists, oracles etc.
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Oh listen Tender Lumplings let me take you by the hands. I'll take you from this hell-hole to the Promised Land. But don't blame me, oh children, if those promises don't keep. 'Cause promises like lives, can be bought so very cheap. ~~ Oingo Boingo