I found Shadowgnash at 30825, 17325 and he was a night spawn as far as I could tell. I checked the Loc's that were given but couldn't find him. So as I roamed around through the Black Wraiths I found him at above Loc. Everyone in grp recieved the Mantle and he also droped a Shadowgnash belt of empthy lv 51 item.
BTW Shadowgnash is a named Pookha
Edited, Thu Mar 3 10:25:21 2005