- "Instant tissue regeneration, coupled with some perfect form of biological renewal..."
- ― Leonard McCoy describing Flints form of immortality (Star Trek)
User can renew their life essence/force and age to to any point they want, usually in there prime. This allows them to not only regress their age but recover/replenish all the energy and strength they may have lost over the years.
- Age Reversal
- Age Shifting
- Cellular Activation
- Life-Force Augmentation
- Life-Force Manipulation
- Telomere Regeneration
- Youth Inducement
- Doesn't grant Immortality.
- May be limited to a one-time renewal.
- May be limited to renewing others or only themselves.
- Cerl and Alan (Breath of Fire); via overuse of the Time Key
- The Companion (Star Trek)
- Quinella (Sword Art Online)