[Male-oriented, Shared Transmigration, 99 Worlds, Multiple Female Leads, the Myriad Worlds]
Physical constitution, energy, and spirit: the protagonist only gains powers that exist within each world's setting. There is no cultivation in a wuxia world, and no internal energy in the Naruto world.
Naruto, Qi Yan: He transmigrates to Amegakure, a year before the Second Shinobi World War. He takes in the three young orphans, Nagato and the others, and makes sure the Land of Rain no longer weeps.
Demi-Gods and Semi-Devils, Qi Yan: He transmigrates to the point just after the Apricot Grove Incident, learns the Divine Footwork Sutra, and kills the Four Great Evildoers. Brother Duan, they're all your sisters. You can't bring shame to your family, so let me marry them instead.
The Walking Dead, Qi Yan: Zombies? No, they're clearly perpetual motion machines. Watch me turn them into zombie-powered generators!
In the Ming Dynasty world, he transmigrates as Zhu Qiyu, takes the throne in a moment of crisis, repels the Oirat, and executes Zhu Qizhen.
Extraordinary: He awakens superpowers and gains heightened senses.
One Piece, Qi Yan: He transmigrates as a Navy captain and is about to face the Summit War. He sets himself a small goal: Admiral in three years, Fleet Admiral in five. Ten years from now, what are Celestial Dragons? Vermin! Get off my planet!
After all his journeys, when Qi Yan stands at the pinnacle of the Myriad Worlds, he looks back at his rivals and declares victory: "I got strong all by myself!"
[Planned worlds: Naruto, Demi-Gods and Semi-Devils, The Walking Dead, the Ming Dynasty world, Extraordinary, Game of Thrones, Bleach, Tokyo Ghoul, One Piece, Demon Slayer, Spartacus, The Outcast, Journey to the West, One-Punch Man, Fate, The Boys, Journey to the West, Primordial Chaos...]