Before reaching the Eternity Realm, Yu Tianshen might have been able to do it.
But once Heavenly Emperor Yu reached the Eternity Realm, no one in the world could force him to use the Emperor Guardian Technique.
Yu Tianshen possessed the Divine God Breathing Method, while Heavenly Emperor Yu possessed the Emperor Guardian Technique. Both were men of unparalleled talent.
Had Su Yuan learned of the Emperor Guardian Technique, he would certainly have associated it with "Undying Power."
"Undying Power" could instantly restore him to full condition nine times, eliminating fatigue and all injuries.
It simply lacked the Emperor Guardian Technique's ability to amplify combat power.
Su Yuan had no need for a twenty-percent boost in combat power, anyway. The hundredfold amplification of "Star-Burning Force" was no joke.
After speaking, Heavenly Emperor Yu stirred his divine sense and formed the Star River Manifestation again.
The colossal Star River Manifestation appeared once more, far larger and more terrifying than before.
Crack!
The pressure it unleashed shattered the barrier Yu Tianshen had erected. The people on the other planets felt their bodies tearing apart, their lives about to end.
With a thought, Su Yuan spread an immense surge of Eternal Power across the entire Ninth Star Domain, completely shielding it from the Star River Manifestation's aura.
Everyone looked up to see a faint layer of purple-gold haze floating overhead.
Only that power's protection had kept them alive.
Still shaken, many swallowed repeatedly. Just what realms had Emperor Yu and the Source Saint reached, and where were they fighting?
They seemed only a step away, yet felt impossibly distant.
Then a planet radiating iridescent light appeared in the Star River Manifestation's hand. Beneath it, a river of stars flowed backward, while terrifying energy churned around it, making space collapse and reconstruct itself in