At this point me inner orc took over, and I just meleed his punk ass down. Knew I shoulda had Shu put Executioner on me mace, 'steada Soulfrost.
Turns out the dubbernugger's name were Balgaras the Foul, and he were totally immune ta shadow damage. Not resistant, not very very highly resistant, immune. Mother Shahraz herself couldn't burn this bugger down. How the freak he pull that off, I (and a buncha Black Temple raiding guilds) wants ta know.