As an action, make a weapon attack with a melee weapon that you wield in two hands that deals bludgeoning damage and then spin your weapon around. Each creature within your weapon’s reach must make a Reflex saving throw.
On a failure, it takes bludgeoning damage equal to the stamina die.
On a critical failure, it takes twice as much damage.
On a success, it takes half as much damage.
On a critical success, it takes no damage.
Enhance
You can increase the damage for each additional stamina die expended.