Originally posted by Scoobless
Apocalypse😬
It has been argued that Apocalypse is not truly immortal because he used celestial technology to enhance his lifespan. However this doesn't explain the fact that he was alive for centuries before he used the technology, so his immortality is open to debate.
One theory which is highlighted in the storyline Apocalypse the twelve (and in the X-men Legends 2 video-game) is the idea that Apocalypse's spirit or essence possesses the bodies of people and can last a while before it burns the body out and then move to another body. This would explain the immortality............