Chromatic Storm

       Usage: cast 'chromatic storm' : cast 158
      Damage: See below
        Save: Save vs. Intelligence
        Cost: 1 + (4 + level*0.50)*number of targets in room
    Duration: Instant
Casting Time: 17
      Target: All MOBs in room

This is an Area Affect spell.  Damage is based on the Max hit of the 
caster.

The classes that get the spell chromatic storm are:

illusionist: Level  40 (excellent)