At the end of the Medieval Era, there was no Demon Buddha yet, only Ananda, the Buddha's disciple.
Ananda, Haotian's reincarnation, had passed through many lives. Yet with each reincarnation, he drifted farther from the Other Shore.
Haotian had mutilated his own mind to deceive the Primordial Heavenly Venerable and the others, allowing himself to live on through reincarnation. All the while, hatred gnawed at him without pause.
By the end of the Medieval Era, Ananda still had no hope of returning to the Other Shore.
He had spent too long reincarnating, had lived too many lives. If Ananda failed to reach the Other Shore in this life, he would lose all hope and sink forever into the Bitter Sea.
So Ananda practiced Tathagata's Palm in reverse, turning from Buddha to demon, and thereby reached the Other Shore.
From then on, there was no Haotian, no Thunder God, no Ananda. There was only the Demon Buddha.
Meng Chuan watched this stretch of history like a passerby, observing it all from the sidelines. He was well practiced at being a passerby.
The Demon Buddha had been suppressed. Every version of him in history was merely an imprint that kept history intact, like a fixed program without any spirituality.
After reaching the Other Shore, the Demon Buddha acted like a madman, wiping out countless Dao Lineages across the Myriad Heavens and Worlds.
The living Legendary Great Powers and Fortune Great Divine Ability Users fell to him in wave after wave, stars falling like rain.
Great Powers and Great Divine Ability Users of every race and sect died at the Demon Buddha's hands.
At the time, the Demon Buddha single-handedly set the overall strength of the Lifetime Myriad Heavens and Worlds back several levels.
From the Immemorial Era's Primordial World until the Medieval