One who cannot die

A. Stable

B. Immortal

C. Perpetual

D. Perennial

Answer: Option B

Solution(By Examveda Team)

One word substitute is Immortal.

Stable: (of an object or structure) not likely to give way or overturn; firmly fixed.
Immortal: living forever; never dying or decaying.
Perpetual: never ending or changing.
Perennial: lasting or existing for a long or apparently infinite time; enduring or continually recurring.