Grand Elder Meng Tianzheng stood atop Emperor Pass, his hands clasped behind his back, his gaze fixed tightly on the lightning tribulation in the starry sky.
His eyes were filled with tension and anticipation.
He knew that once they overcame this tribulation, the Nine Heavens and Ten Lands would gain two more true Immortal Dao combatants.
Yet just as Elder Qingmu and the Xu Family's old Supreme weathered the fiercest wave of lightning punishment and prepared to absorb the Immortal Dao vitality nurtured within the tribulation for their final transformation—
A sudden change erupted.
The starry sky deep within the sea of lightning was suddenly torn apart by some bizarre force.
A pitch-black rift, exuding a hair-raising aura, stretched across the void.
Immediately afterward, dense, strange black mist surged violently out of the rift.
Within the black mist seemed to lurk countless twisted, wailing vengeful souls. It carried a dreadful corrosive force capable of polluting the source of the Immortal Dao and assimilating all things in the world.
Like a ravenous beast, it swept toward the two old Supremes, who were in their weakest state and on the verge of completing their transformation.
This was the Weird Substance from the source of darkness. It always descended when living beings were about to step into the Immortal Dao Realm, seeking to corrupt these newborn True Immortals and turn them into puppets of darkness.
Meng Tianzheng's expression changed drastically upon seeing the black mist.
He knew full well how terrifying it was. During the Immortal Ancient Era, too many astonishingly talented forebears had fallen at this very hurdle. At once, he was about to unleash his True Immortal cultivation and charge into the starry sky to rescue his two old friends.
"No need to panic."
Suddenly, a calm voice sounded beside Meng