Lucy shows this Change in 2005 from the 2005 spell revamp , although lucy didnt capture anything prior to 2002, its a start.
2005-04-12 13:05 Changed Slot 1 from "Decrease Hitpoints by 716 (L57) to 731 (L60)" to "Decrease Hitpoints by 793"
Ok did some digging Lucy was right, 716-731 according to this Wayback snapshot of Castersrealm.com
http://web.archive.org/web/200111250...ons.asp?Id=656