So of course, I need an Mourngul if my force is going to pack any punch on the battlefields of Shyish. However, I really do not like the "official" Forge World figure, it just doesn't tally with the rest of the army for me and I hate the in-built horse at its base.
Scouring the rest of GW's range I remembered the C'tan Shard Nightbringer which, to my eyes, is a perfect towering ghostly figure. Even better I had been given the majority of a Nightbringer figure by the most excellent and generous Tears of Envy minus the scythe. A quick weapon swap later, add my patent basic paint job and Bob's your uncle: