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Wildfire

       Usage: cast 'wildfire' : cast 146
      Damage: 10d12 + level (max of +75)
        Save: Fire
        Cost: 25 + 6*number of targets in room
    Duration: Instant
Casting Time: 10
      Target: All MOBs in room

The classes that get the spell wildfire are:

ranger     : Level  19 (excellent)