Adrenaline Rush is a relatively high-level Body perk that gives V the ability to generate Adrenaline, which essentially functions as a temporary HP bar. Adrenaline Rush doesn't unlock until the third rank of the eponymous perk, while ranks 1 and 2 increase V's max Health and HP recov Smart Synergy only affects Smart Weapons, and it works once Overclock has been activated. Once active, Smart Weapons will be given an instant target lock, as well as a 25% bonus damage if the targeted enemy has been...