Deathless

Death′less

,

Adj.

Not subject to death, destruction, or extinction; immortal; undying; imperishable;

as,

deathless

beings;

deathless

fame.

,

Adj.

Immortal; not subject to death, destruction or extinction; as deathless beings; deathless fame.

DEATH'LIKE, a.

deathless ‎(comparative more deathless, superlative most deathless)

Undying or immortal.
- 2005, Tony Magistrale, Abject Terrors: Surveying the Modern and Postmodern Horror Film
  Like the deathless vampire who must repeat its stalk-and-kill cycle in order to satisfy a recurring blood hunger, the earliest film horrors cannibalized its literary ancestry again and again.
Of a work of art or literature: conspicuously excellent, of the highest order, guaranteed not to be lost or forgotten.
Her novels are filled with unforgettable characters and deathless prose.

immortal

work of art or literature