Curse items is one of the most despicable monster spells in NetHack. It can be cast in melee range by monsters such as liches, or encountered in other ways. It will unbless or curse a number of your inventory items, which can reduce their effects or make them dangerous and difficult to remove. The spell will normally affect six random items in your inventory if it succeeds; blessed items will become uncursed and uncursed items will become cursed. If you have half spell damage or magic resistance, only three items will be affected; if you have both, only two will be affected.