This was a long, drawn-out struggle.
It was an extreme devastation of willpower. One could even say that this was not something a fourth-rank should have had to endure.
The Demon Prince fell into an illusionary dream spanning tens of billions of years. He endlessly reincarnated through waking and waking again; in every life, he had a new identity and new memories.
When you reincarnated, in your first life, you were yourself. But what about the second?
The third, the fourth.
In every life, you had a completely new identity and memories, an utterly new personality, family, and experiences. Would this new identity be willing to be swallowed by the past that came before?
Of course, the personality of a single lifetime could not possibly resist the Demon Prince's primary personality.
So... sink into it.
Sink into reincarnation.
Once the memories of reincarnation surpassed the Demon Prince's former memories, his personality would naturally change.
At the same time, his body had already been scattered apart, constantly torn to pieces, then restored at the slow pace of geological movement, only to be torn apart again.
Like the ancient supercontinent Pangaea, it continuously gathered together.
Tens of millions of planes stacked atop one another, squeezed together layer upon layer.
Yet it was far grander, far more spectacular than that.
Mind and body shattered in tandem. The heavenly demons showed no mercy; he... she, it... all intended to kill the Demon Prince.
Several billion years passed just like that.
The Demon Prince's memories were continuously washed away and overwritten, while his body was endlessly smashed apart and reconstructed. It could even be said that the elements constituting the existence known as the "Demon Prince" were becoming scarcer and scarcer.
You were a man. If you reincarnated ten times and were a woman each