Dispel Evil

       Usage: cast 'dispel evil' <target> : cast 22 <target>
      Damage: See below
        Save: None
        Cost: 1+level*0.50
    Duration: Instant
Casting Time: 33
      Target: One MOB or player

   This spell, when cast, will do 50% of the victim's maximum hitpoints in
damage under the right conditions.  If the caster is evil, the caster will
receive the damage instead.  If neither the caster nor the target are evil,
no damage will be dealt at all.

The classes that get the spell dispel evil are:

cleric     : Level  36 (excellent)
priest     : Level  25 (excellent)
bard       : Level  56 (fair)
druid      : Level  18 (excellent)
paladin    : Level  31 (Superb)