Thunder

Has a 30% chance to paralyze the target. This move can hit a target using Bounce, Fly, or Sky Drop, or is under the effect of Sky Drop. If the weather is Heavy Rain or Rain, this move does not check accuracy. If the weather is Intense Sun or Sun, this move's accuracy is 50%. If this move is used against a Pokemon holding Utility Umbrella, this move's accuracy remains at 70%.