http://web.archive.org/web/200202200...ll.asp?Id=1502
WIZARD SPELL DETAILS
Name: Improved Invisibility
Level: 55
Mana: 75
FOUND, By Xyun atishbazi (1/28/2001)
Found off of a Frosticube in Icewell Keep
FOUND IN THE PLANE OF GROWTH, By Asdadasda (1/28/2001)
We dropped a rolling plains steed and found this on it.