The Heavenly Prison Race Lord was even more powerful. He had once opened eight layers of heaven and earth and stepped into the Nine Tribulations realm, an unparalleled prodigy.
Once a being of such earth-shaking stature had reached the half-step Heavenly Immortal realm, it was virtually impossible for anyone else to defeat him across realms.
Even if ten Earth Immortal ninth-level experts joined forces to besiege him, they would still be unable to contend with such a half-step Heavenly Immortal.
In the battle at the Western Abyss Dragon Palace, the Human and Divine Races had one more half-step Heavenly Immortal than the Western Abyss Dragon Palace.
For that reason, the Western Abyss Dragon Palace had gathered six powerful ninth-level Earth Immortal patriarchs and twelve eighth-level Earth Immortal patriarchs, setting up a grand formation before they could barely contend with them.
From this alone, one could see just how difficult it was to defeat a half-step Heavenly Immortal across realms.
"Those whose cultivation has reached the half-step Heavenly Immortal realm were all once peerless prodigies of the highest caliber. Like you and me, they were once capable of fighting above their level."
"To oppose them, even ninth-level Earth Immortals would struggle to protect themselves, let alone us, who only barely possess late Earth Immortal combat power."
Chen Nianzhi murmured to himself before finally sighing. "Although the Lord of the Flowing Flame Star Palace is standing at the forefront, we still cannot take such a tremendous risk."
"Once the Lord of the Flowing Flame Star Palace fails to hold him back, you and I will likely both have to answer the tribulation."
Upon hearing this, all the immortals fell silent.
The master of the Azure River Ancient Sect sighed, then said helplessly, "To interfere in a battle between half-step Heavenly Immortals, one