Ability:

Have eternal life & the inability to die

Limitations:

- May be erased from history via the effects of time-manipulating powers
- May develop a nihilistic worldview or driven outright insane from being unable to die
- Some user may not age but could still be injured & even killed

Variations:

- Zombie Physiology
- Regenerative Immortality
- Infinite Resurrection
- Reincarnation
- Temporal Immortality

Users:

- Captain Jack Harkness (Doctor Who/Torchwood)
- Jason Voorhees (Friday the 13th)
- Adam Monroe (Heroes)
- Imhotep (The Mummy)
- Freddy Krueger (A Nightmare on Elm Street)
- Rumpelstiltskin (Once Upon a Time)
- Peter Pan (Once Upon a Time)
- Curtis Knox (Smallville)
- Silas (The Vampire Diaries)
- Lucifer Morningstar (DC)
- Vandal Savage (DC Comics)
- Ra's al Ghul (DC Comics)
- Mister Sinister (Marvel Comics)
- Moon Knight (Marvel Comics)
- Macbeth (Gargoyles)
- Demona (Gargoyles)