Help for bless item

Name:	bless item
Relevant stat:	inteligence
Syntax:	cast 'bless item' <object> [strict]
Manacost:	100

This spell allows you to temporarily bless any item you are carrying with divine power. Weapon blessed this way deals 6% more damage to undead creatures. All other items reduce all damage wearer receives by 0.5%. Blessing an item makes it unusable by characters of opposite alignment and only characters with non-neutral alignment can bless items this way. With strict option the item becames usable only by characters of the same alignment, i.e. it won\'t be usable for neutral characters. In such case the spell also lasts three times longer. Finally, blessed items cannot be poisoned.