Gun-Fu/Fallout 4

Gun-Fu is a perk in Fallout 4.

Effects
With the first tank of this perk, every V.A.T.S. target past the second deals 25% more damage to them with each attack. The second rank increases this damage to 50% more, but only after the third target. The third rank makes every attack is an automatic critical hit, but only after the attacking the fourth target.

Behind the scenes

 * Gun Fu is a term associated with a style of action present in many over the top action films, such as those directed by John Woo.