Ego tells Peter something along the lines of If my planet and I are destroyed, then you will not be celestial anymore. It seems to me that if Peter is a celestial like his father, or at least a demi-celestial, then he should continue being so even after his Father dies.

Why would Peter's power be dependent on Ego surviving?

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    @Discovery I had thought something along those lines might be it, but I feel like that would have just made Peter into an Ego drone or something. Or Peter would have died when Ego died, neither of which happened. Either way, if Peter really isn't a celestial anymore, that might be the best explanation.
    – BlackThorn
    Commented Nov 8, 2017 at 17:46
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    Ego tells Peter he will be immortal as long as he periodically "returns to the light." With the light gone, that means Peter will not be immortal anymore. Commented Nov 8, 2017 at 17:48
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    [As I understand it, please correct me if this is wrong] He still is celestial from a genetic/heritage standpoint (presumably). However, his power is to manipulate the matter that forms Ego's planet. Destroy the planet, there's nothing to manipulate. Possible analogy: if I can unlock a door with a print scanner using my own thumbprint, and the scanner is destroyed, my thumbprint does not suddenly vanish.
    – DanDoubleL
    Commented Nov 8, 2017 at 20:57
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    Because Ego is a lying sack of sh*t
    – Möoz
    Commented Nov 9, 2017 at 5:35
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    @DaniellYancey I suspect Peter's innate ability is to channel energy, which is why he was able to handle the Power stone, and Ego's particular type of energy was just one thing Peter could learn to channel.
    – Izkata
    Commented Nov 9, 2017 at 5:59

1 Answer 1


Because Peter is the son of Ego the man, not Ego the planet

"The Light", the source of Ego's power, lies within the planet.

If I don't return regularly to my planet, and the Light within it, this form will wither and perish.

There's so much that I need to teach you about this planet, and the Light within. They are a part of you, Peter.

Peter, death will remain a stranger to both of us as long as the Light burns within the planet.

And as Drax observed, Ego (the planet) cannot reproduce.

If he is a planet, how could he make a baby with your mother? He would smush her!

So Ego (the man) fathered children in an attempt to produce a child with a connection to the light within the planet.

Out of all my labors, the most beguiling was attempting to graft my DNA with that of another species.

Out of all my spawn, only you carried the connection to the light.

He needs my genetic connection to the light to help destroy the universe.

And when Peter shows abilities during the catch scene, Ego is thrilled.

Now, close your eyes and concentrate. Take your brain to the center of this planet. Yes!

Peter is still a celestial, or demi-celestial, or whatever he is. His genes haven't changed, and he should still have all the powers he had before he went to Ego's planet, it's just the light isn't there anymore.

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    But the whole point of Ego having children is to have someone else pay the price for Ego's plan. If they are both paying out of the same "bank account", as it were, then Ego's having kids doesn't help him. Commented Nov 9, 2017 at 5:43
  • @ForrestVenable No, Ego says "A single Celestial doesn't have enough power for such an enterprise. But two Celestials, well, now, that just might do." And even if you were right, that doesn't affect the question or the answer. Are you the downvoter?
    – J Doe
    Commented Nov 9, 2017 at 6:20
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    Nope, just complaining. Commented Nov 9, 2017 at 8:38
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    @JDoe I quite like this interpretation/theory, very nice!
    – DanDoubleL
    Commented Nov 9, 2017 at 15:44
  • But Ego is the light source, right?
    – Möoz
    Commented Apr 29, 2019 at 9:14

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