Rank 1 Regenerates 1% of your total Health over 6 sec after being the victim of a critical strike or suffering more than 20% of your maximum Health from a single attack.
Rank 2 Regenerates 2% of your total Health over 6 sec after being the victim of a critical strike or suffering more than 20% of your maximum Health from a single attack.
Rank 3 Regenerates 3% of your total Health over 6 sec after being the victim of a critical strike or suffering more than 20% of your maximum Health from a single attack.