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Necrotic Strike

       Usage: cast 'necrotic strike' <target> : cast 41 <target>
      Damage: A roll up to maxhit of target depending on alignment
        Save: Target's alignment
        Cost: 10 + level*.5
    Duration: Instant
Casting Time: 150
      Target: One MOB or character

The classes that get the spell necrotic strike are:

bard       : Level  56 (fair)
darknight  : Level  90 (excellent)
necromancer: Level  50 (excellent)