Barrage...

Type Normal
Category Physical
PP 20 (max. 32)
Power 15
Accuracy 85%

Barrage inflicts damage, hitting the target 2-5 times per use. There is a 37.5% chance that it will hit 2 times, a 37.5% chance that it will hit 3 times, a 12.5% chance that it will hit 4 times, and a 12.5% chance that it will hit 5 times. Though technically only the first hit can critical hit, each hit per use will do the same amount of damage.
Barrage will end immediately if it breaks a Substitute. Bide and Counter will only acknowledge the last hit of this move.
Taking the average number of hits into account, Barrage could be considered to have an effective power of 45.