Edit:
sorry the missing mob is Ghostly Teacher
see the alla post here:
http://everquest.allakhazam.com/db/npc.html?id=5652
The zone seems to be missing this NPC. It is also not showing up in the p1999 wiki monster list, although it seems to be listed in the wiki page for the zone under the Types of Monsters section.
https://wiki.project1999.com/Tower_of_Frozen_Shadow