Heal for 15% of your maximum Health per second while using Billow.
Heal for 100-500 after using Counter.
Reduce the Cooldown of Whirl by 0.5-2.5s for each enemy it hits.
Reduce the Cooldown of Counter by 15-75% after successfully hitting an enemy with Counter.
Reduce the Cooldown of Whirl by 1-5s after successfully hitting an enemy with Counter.
Reduce the Cooldown of Whirl by 1-5s after using Billow.
Use Whirl in a group of enemies to reduce the cooldown by 2s (for each unique enemy it hits).
Then use counter to reduce the cooldown of whirl and counter and repeat.
Recommended to buy Chronos, Caut and Life rip to keep your health up.