This is an instant restoration mechanic. It immediately restores a portion of the player's Missing Life or Energy Shield on hit.
Regain is divided into Life Regain and Shield Regain. The upper limit of both Life Regain and Shield Regain is 30%%.
Regain has a Regain Interval. The base interval is 0.5s. Life Regain and Shield Regain have separate Regain Intervals.
