As long as Volbeat is in play, any damage done to Illumise from Fighting Pokemon and Darkness Pokemon is reduced by 30. You can't reduce more than 30 damage even if there is more than 1 Volbeat in play.

• Chaotic Noise

  Flip a coin. If heads, the Defending Pokemon is now Confused. If tails, the Defending Pokemon is now Asleep.

• Pester

  20+

  If the Defending Pokemon is affected by a Special Condition, this attack does 20 damage plus 20 more damage.