From: utzoo!utcsrgv!newman
Newsgroups: net.games.rogue
Title: cancellation
Article-I.D.: utcsrgv.462
Posted: Wed Jul  7 18:53:08 1982
Received: Wed Jul  7 19:32:07 1982

A wand of cancellation, when pointed at a rust monster, defeats
his ability to wreck your armour when he hits (at least in our
version).