Phantasmal Wasting

       Usage: cast 'phantasmal wasting' <target> : cast 157 <target>
      Damage: 4d12 + 1d12 + 2*level (max of +70)
      Effect: chill touch and spectre touch target
        Save: Save vs. Cold
        Cost: 10 + level*0.25
    Duration: Instant for damage, see below for effect duration.
Casting Time: 20
      Target: One MOB or character

The classes that get the spell phantasmal wasting are:

illusionist: Level  80 (excellent)