Semi-Immortality

The ability not to age. Sub-power to Immortality.

Also Known As

 * Agelessness
 * Age Immunity
 * Eternal Youth

Association

 * Decelerated Aging
 * Multiple Lives
 * May accompany Enhanced Regeneration

Limitations

 * User is still vulnerable to everything else that would affect other beings.
 * Some users keep aging, they simply won't die from it.
 * User can be still killed by normal means.

Known Users

 * Vampires (Mythology)
 * Uzumaki Clan (Naruto/Naruto: Shippuden)
 * Zeref (Fairy Tail)
 * Shadow the Hedgehog (Sonic the Hedgehog)
 * Sesshomaru (InuYasha)
 * Brook (One Piece)
 * Master Roshi (Dragon Ball)
 * Mr. Popo (Dragon Ball)
 * Jacob (Lost)
 * The Man in Black (Lost)
 * Richard Alpert (Lost)
 * Mother (Lost)
 * Hugo "Hurley" Reyes (Lost)
 * Ben Linus (Lost)
 * Sorcerers (Skulduggery Pleasant)
 * Elizabeth Greene (Prototype)
 * Slender Man (Creepy Pasta)
 * Ectonurites (Ben 10)
 * Ghost Freak (Ben 10)
 * Homunculi (Full Metal Alchemist)
 * Skips (Regular Show)
 * Mordicai & Rigby (Regular Show)
 * Benson (Regular Show)
 * Stitch (Lilo & Stitch)
 * All experiments (Lilo & Stitch)