These are mostly used for harming and banishing foul minions of evil.
Good creatures are immune, evil creatures take double damage, others resist.
Artifacts may either become blessed or be disenchanted. Attempts to slow, confuse, stun, scare, and freeze all monsters in sight. Monsters have a 1 in 13 chance of getting past your shield. High INT or WIS will also decrease the failure rate. High INT or WIS will also decrease the failure rate.