The main world is the despairing world of Three-Body.
Here, let's set aside the Singer civilization. Even godlike civilizations capable of rewriting the laws of the universe and destroying it in an instant, such as the Returners, the Li Bai civilization, and the Mirror civilization, are trapped in this universe.
Fortunately, this isn't an ordinary Three-Body universe, but a strange, fantastical version, so the universe can still be saved. It won't be doomed by the super-ultimate, five-kilogram world-destroying saintly fool.
Of course, Earth might not live to see that glorious day. Its coordinates have been exposed, and it's about to get GG'd.
So the big shots on Earth declare: I'm done being human.
One big shot enters a quantum furnace, merges with the universe, and becomes quantum immortality, a godlike civilization.
Another unites the will of multiple planets, and the Heavenly Dao Gaia is born.
Yet another reboots countless universes, becoming the King of Quicksilver...
That's right, the protagonist is one of these big shots.
P.S. The worlds he travels through tend to be from anime and manga, each...
This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.
Doesn't the original text say that even this universe is just the insignificant power revealed by the Star Cup? Even if there is only one light-year in this universe, the Star Cup shouldn't be so weak, right?