Weapons: Knuckle Duster, Goedendag (Spear Club), Spike Gauntlets, Spiked Club, Spiked Knuckles, Executioner Axe, Executioner Sword. Falchion, Greatspear, Headhunter Axe, Scourge
On Critical Hit, roll 1 additional damage die. Other damage die do not benefit (Sneak Attack, Divine Smite, etc).