Three Sovereigns and Five Emperors

The Tianxiang Prefecture Governor's Residence.

Gu Jinlai's incarnation returned to its place.

Compared to the solemn deliberations in the Xuanhuang Grand Hall, the atmosphere in the Prefecture Governor's Residence was undoubtedly much more relaxed.

"Scholar Gu's understanding of nuclear reactors is peerless. I would like to invite you to join my laboratory. How about we research the fourth-generation nuclear reactor together?"

Tianxiang Star Lord invited him. "We've set the user requirement for this generation of reactors at an Ascendant Golden Immortal. Even if the first test subject is a third-level Golden Immortal, that won't be a problem. We'll build it first, then optimize it step by step. If we can one day optimize it to the point where even a ninth-level mecha pilot can use it, that would be an unprecedented success."

"A fourth-generation reactor? A reactor centered around the Devouring Great Dao?"

Gu Jinlai asked.

Previously, Gu Jinlai had felt that the gap between the fourth- and third-generation reactors was too vast.

Only now did he realize that, from beginning to end, the Xuanhuang Immortal Dynasty's goal had probably always been the fourth-generation reactor.

A black hole reactor.

Gu Jinlai thought of his own Great Sun Core.

The Great Sun Eternal Method had remained a golden skill even after being cultivated to this point. It had yet to break into the orange level, which corresponded to the realms of Great Dao Golden Immortals, Immortal Golden Immortals, and Dao Ancestors.

And what was the next form of the Great Sun Core evolved from the Great Sun Eternal Method?

A white dwarf, a neutron star, a black hole!

White dwarfs and neutron stars were both outcomes that appeared when stars reached the end of their evolution. Once a star had completed its long life, a low- or medium-mass star would become