Wizard/Druid HoT helm should be droppable!
 

Wizard and Druid velious Hall of Testing helm should be droppable on p99!

Source: https://everquest.allakhazam.com/db/item.html?item=5123

"its dropable, and yes it is Kael Quest.. Silk cap + 3 gems in kael = circlet of the invoker.. kinda odd becuase all of the other Kael/SS Quests are no drop.. probally an error on verants part"

"Errm if this is one of the wizard Kael quest armors, shouldnt it be nodrop? "

Artelius Longwood

Is there additional research for this?

I see pages in similar era showing it is nodrop, i.e.

https://web.archive.org/web/20010618...em.asp?Id=4364