Heal for 20% of your maximum Health per second during Billow.
Increase your ammo count by 1-5.
Successfully Countering an attack will Heal you for 50-250 health.
Increase your maximum health by 50-250.
Increase the duration of Billow by 0.4-2s.
Fuel for the Fire
Whirl grants 5-25% Lifesteal for 2s.