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Turn Undead

       Usage: cast 'turn undead' <target> : cast 103 <target>
      Damage: See below
        Save: None
        Cost: 1
    Duration: Instant
Casting Time: 6
      Target: One undead MOB

This spell will damage the undead in varying degrees.  MOBs of a level much
lower than you will be destroyed instantly, whereas more formidable foes will
be damaged, or forced to flee in fear.

The classes that get the spell turn undead are:

cleric     : Level  52 (good)
priest     : Level  39 (excellent)
paladin    : Level  67 (poor)