He does spawn from any of the 3 "a chateau bloodcaster"s I killed him 3 times today, once from each spawn spot. Finding a safe corner to camp is tough.
Dropped: 1 Fife, 2 Sistrums, 2 Helms, 1 Sleeve and 3 Greater Dreadmotes between the 3 kills... But not my AC Aug :(
I have also seen him spawn from the static spawn in the north east corner and the static spawn in the south west corner of that first room you enter once you enter the palace in Grelleth
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Aanuvane Bristlecone 350 Baking, Brewing, Jewelry Making, Tailoring, Blacksmithing, Fletching, Pottery, Research, 250 Fishing Muertenie Petitmort 350 Master Tinker Kadcea 350 Master Alchemist Orelinde 350 Master Poison Maker Kynsh/Rabon/Atracker and a whole host of additional alts Povar via Quellious via Rodcet Nife