How quickly does Fast Healing recover Hit Points?
A character without Fast Healing recovers 25% of his Hit Points every minute, which means he can recover fully in four minutes. With Fast Healing (unenhanced), a character recovers roughly 35% of his Hit Points every minute, allowing him to fully recover in just under 3 minutes (171 seconds, according to testing in beta). With six single-origin Heal enhancements in Fast Healing, the character recovers 55% of his Hit Points per minute, or full recovery in less than 2 minutes (109 seconds).