Heavenly Formation Master

At the Meteor Grade, an ordinary Fourth Grade Heavenly Immortal who had just broken through would have an Inner World of only around ten million square kilometers, also known as their Natal Star.

Because the Inner World could leave the body and absorb the power of heaven and earth on its own in the outside world, like a star, it was called a Natal Star. Thus, Song Ankang could also follow convention and call his Inner World the Myriad Tribulation Star, or the Myriad Tribulation Meteor.

A Meteor Grade Heavenly Immortal's Natal Star was roughly between ten million and one hundred million square kilometers. In other words, a Heavenly Immortal who had just entered the Meteor Grade had a Natal Star about ten times smaller than that of a top-tier Meteor Grade Heavenly Immortal. This showed just how vast the gap between minor realms was.

Upon reaching the Comet Grade, an ordinary Comet Grade Heavenly Immortal's Natal Star could reach one billion square kilometers, a full ten times that of the most powerful Meteor Grade Heavenly Immortal. The disparity was evident.

For this very reason, even though he had entered the Fourth Grade Heavenly Immortal realm, Song Ankang was not confident that he could cross several minor realms to contend with a Stellar Grade Heavenly Immortal.

After all, an ordinary Stellar Grade Heavenly Immortal possessed a Natal Star of over one hundred trillion square kilometers. As for the most elite Stellar Grade Heavenly Immortals, their Natal Stars reached a full one quadrillion square kilometers.

But how large was Song Ankang's Natal Star? At present, it was only one hundred million square kilometers, one hundred thousand times smaller than that of an ordinary Stellar Grade Heavenly Immortal.

The larger one's Natal Star, the stronger one's essence, energy, and spirit generally were,