Whirlwind Cleave

Strength 13, Cleave, Great Cleave, Power Attack, base attack bonus +8.

You may make a cleave attack as a full-round action. This works like Great Cleave, except that you can target the same creature with more than one attack, as long as none of your attacks miss.

When performing a whirlwind cleave, each extra attack must be applied against a different creature within reach until all creatures have been attacked. If you have an available extra attack and all creatures within reach have been hit at least once, you may apply that attack towards a creature you have already attacked. Each extra attack after that must be applied evenly until all creatures have been hit a second time.

This cycle continues for each round of the whirlwind cleave such that all creatures are attacked the same number of times until a missed attack interrupts the cycle or no enemies remain.