Immortal Dao Field, Heavenly Profound Immortal Emperor, the Second Phase of the Plan

Time flew by in the blink of an eye.

A few days later, within the transmission divine hall of the Taboo Su Family.

Su Changge and Luo Yan Yu had already learned numerous supreme immortal arts and were now preparing to depart for the Primordial Secret Realm.

Many high-ranking members of the Taboo Su Family had gathered here, apparently intending to see Su Changge and Luo Yan Yu off.

"Changge, have you thoroughly understood the information regarding this Primordial Secret Realm during this time?" Profound Origin Immortal Emperor asked.

"Uncle, rest assured. Changge has already looked into it."

While cultivating immortal techniques and consolidating his cultivation during this period.

Su Changge had also learned the general details of this Primordial Secret Realm through the family archives and numerous special secret tomes.

This Primordial Secret Realm could not truly be considered something naturally formed by the Great Dao. Rather, it had been transformed into a heaven-and-earth Dao field by an unparalleled powerhouse through a special secret art.

It was the Dao field of Heavenly Profound Immortal Emperor—one of the Primordial Thirteen Emperors.

Su Changge had also attempted to learn about Heavenly Profound Immortal Emperor.

But the era in which the Primordial Thirteen Emperors had existed was simply too distant, and he had been unable to obtain any concrete information about Heavenly Profound Immortal Emperor.

All he knew was that this Immortal Emperor had mastered a Great Dao akin to a method of creation. Unlike Creation Immortal Emperor's artifact refinement, it belonged to a form of spatial creation.

Likewise, during this time, Su Changge had also gained some useful information.

Though the Primordial Thirteen Emperors appeared to be a single whole, they had actually split into three separate camps long ago due to their differing ideals.

They had even fought fiercely over