INNATE: Xin Zhao gains a Determination I and Determination II stack for every Wind Becomes Lightning strike or basic attack on-hit, up to a maximum of two.
At two Determination I stacks, Xin Zhao's next Wind Becomes Lightning strike or basic attack on-hit consumes the stacks to heal him for 7 − 92 (based on level) (+ 10% AD) (+ 55% AP).
At two Determination II stacks, Xin Zhao's next Wind Becomes Lightning strike or basic attack on-attack consumes the stacks to deal 15 / 25 / 35 / 45% (based on level) AD bonus physical damage.