Thunder deals damage and has a 30% chance of paralyzing the target. It can hit a target during the semi-invulnerable turn of Fly, Bounce and Sky Drop, but not Dive or Dig. When used during Rain or Thunderstorm, Thunder bypasses accuracy and evasion checks to always hit the target, unless it is in the semi-invulnerable turn of Dive or Dig. When used during Harsh Sunlight, its accuracy is reduced to 50%.