You can get Arcane Warrior from a soul trapped in a, ehr... think it was a gem or something. Should be a phylacterie in the ruins in the Brecilian forest. The object you need to click is just called "phylacterie", iirc, not
"glass phylacterie" (which spawns a Revenant).
Yes, enjoying it very much and yes, it can be difficult. Getting jumped by a pack of Shadow Wolfs was fun; just 1 was enough to kill me with overwhelm. Just walking along and suddenly a werewolf jumps out of the shadows, pins me to the ground and rips me to pieces before anyone can help.
