Flail Gain 16% Empowered for 20s on kill (1s cooldown).
Sword Gain 16% Empowered for 20s on kill (1s cooldown).
Rapier Gain 16% Empowered for 20s on kill (1s cooldown).
Fire Staff Gain 16% Empowered for 20s on kill (1s cooldown).
Life Staff Gain 16% Empowered for 20s on kill (1s cooldown).
Spear Gain 16% Empowered for 20s on kill (1s cooldown).
Kite Shield Gain 16% Empowered for 20s on kill (1s cooldown).
Tower Shield Gain 16% Empowered for 20s on kill (1s cooldown).
Round Shield Gain 16% Empowered for 20s on kill (1s cooldown).
Bow Gain 16% Empowered for 20s on kill (1s cooldown).
War Hammer Gain 16% Empowered for 20s on kill (1s cooldown).
Greatsword Gain 16% Empowered for 20s on kill (1s cooldown).
Musket Gain 16% Empowered for 20s on kill (1s cooldown).
Hatchet Gain 16% Empowered for 20s on kill (1s cooldown).
Great Axe Gain 16% Empowered for 20s on kill (1s cooldown).
Ice Gauntlet Gain 16% Empowered for 20s on kill (1s cooldown).
Void Gauntlet Gain 16% Empowered for 20s on kill (1s cooldown).
Dagger Gain 16% Empowered for 20s on kill (1s cooldown).
Blunderbuss Gain 16% Empowered for 20s on kill (1s cooldown).
Logging Axe Gain 16% Empowered for 20s on kill (1s cooldown).
Other Gear Gain 12% Empowered for 20s on kill (1s cooldown).
It does not persist through weapon swap