Note that additional shots fired at the first target are not affected by the perk. on a target after the initial target to do additional damage. you instantly do a Critical Hit against your fourth target and beyond.
you do 50% more damage to your third target and beyond. You've learned to apply ancient martial arts to gunplay! Do 25% more damage to your second V.A.T.S. ” - Fallout 4 Vault Dweller's Survival Guide description “ You’ve learned to apply ancient martial arts to gunplay! Although many might balk at the Agility (and level) requirements, in cases where you’re facing more than one foe (which, let’s face it, is almost every occasion), a sizable damage augmentation is welcome.