"Greetings, you two."
Chen Nianzhi nodded and calmly invited the two into the grotto-heaven.
These two were none other than Antiquity-Tracing Great Emperor and Future Great Emperor, two of the three Human Great Emperors from the Mortal-Realm Microcosm in the past.
It had to be admitted that the three Human Great Emperors who had emerged from the Underworld Microcosm back then had all been rare prodigies of the human race.
The three had risen amid the Dao Calamity, slain several formidable enemies, and broken through to the flawless Celestial Immortal realm.
Unfortunately, after their breakthroughs, they lacked the Chen Clan's foundations and reserves. Their cultivation speed was utterly ordinary, so although more than three million years had passed since the Dao Calamity, their cultivation still remained at the first level of Celestial Immortal.
At this rate, it would probably take them at least another two million years to break through to the second level of Celestial Immortal.
Returning to the matter at hand, after Antiquity-Tracing Great Emperor and Future Great Emperor took their seats, they both looked at Chen Nianzhi and asked, "Why has the Human Emperor summoned us today?"
Chen Nianzhi understood that, because he had inherited the legacy of the Heaven's Sorrow Human Emperor of the microcosm and obtained the Human Emperor Sword, the supreme human-path treasure of the microcosm, the two acknowledged him as the Human Emperor of the Underworld Microcosm's descendants.
Chen Nianzhi accepted this calmly. After carefully studying the two, he said, "In recent years, I have attempted to comprehend the Dao of space-time, and there are many obscure and difficult points within it."
"Thus, I invited you both here in the hope of seeking your guidance on the Dao of time."
"The Dao of time?"
Upon hearing this, Antiquity-Tracing Great Emperor turned and exchanged