Wind Walker I: Increases your StaminaRecovery by 2% for each piece of Medium Armor equipped. Reduces the Stamina cost of your abilities by 1% for each piece of Medium Armor equipped.
Wind Walker II: Increases your StaminaRecovery by 4% per piece of Medium Armor equipped. Reduces the Stamina cost of your abilities by 2% per piece of Medium Armor equipped.
Wind Walker increases your StaminaRecovery and reduces the Stamina cost of abilities for each piece of Medium Armor you are wearing, up to a total of 14% or 28% recovery, and 7% or 14% cost reduction, depending on how many points you invest in this passive.