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Detect Evil

       Usage: cast 'detect evil' : cast 18
      Effect: See below
        Cost: 12
    Duration: 12 + caster-level hours
Casting Time: 12
      Target: Caster only

For the duration of this spell the caster will see E! to the left of the name
of any mob or character they see with an evil alignment.

The classes that get the spell detect evil are:

cleric     : Level   7 (excellent)
priest     : Level   6 (excellent)
monk       : Level   8 (excellent)
bard       : Level  27 (excellent)
wizard     : Level  12 (excellent)
druid      : Level   8 (excellent)
ranger     : Level  35 (excellent)
illusionist: Level   9 (excellent)
paladin    : Level  27 (excellent)