The Prince of Astoria - Chapter 4: IV - THE PURPOSE

In a world where strength is law and the weak are trampled, Ezra Cain was destined for nothing—crippled, abandoned, and left to rot. But when death comes knocking, something awakens within him.[Primordial Evolution System Activated.]A forgotten power lost to time, capable of infinite growth, limitless evolution, and ultimate domination. From the ashes of his former self, Ezra begins his ascent—devouring monsters, absorbing abilities, and forging a path no being has ever walked. But power comes at a cost.Ancient gods stir in fear. Forbidden realms tremble. The strongest beings in existence move to eradicate him before he reaches his full potential. But Ezra is no pawn in their game—if the gods wish to stop him, then he will do what no one has dared before.He will evolve beyond them. He will devour them. He will become the first Primordial Overlord.The age of gods is over. His reign begins.

Yang An transmigrated into a world of Demon Fiends where everything had been tainted by filth.Anyone who stepped onto the path of cultivation, whether immortal, god, or Demon Fiend, would have to pay a great price, which caused the distortion and abnormality of this world.Fortunately, he discovered he possessed the ability to completely perform Purification on all sullied things, capable of eliminating all costs.

He rose from abjection and achieved eternity in glory.
He embraced the prettiest beauties and killed the strongest opponents.
He was able to shift the clouds into rain and cover the sky with one hand.
He could overrun the entire world and go anywhere as he pleased.
He pacified wars and held the world in awe.
He was matchless in the world.
However, his hair turned white overnight for his beloved woman and he was on the verge of death.
He was surrounded by enemies who were trying to take his life.
He struggled his way to become mighty and fought for everything he cherished.
For this age, he was the only king of the Dark World.
His name was a byword for might.
As a man living in the world, his only ideal was to pursue brilliance.

Bad End Night is a novel by Hitoshizuku-P, based on a series of Vocaloid songs, the NighT Series. The plot revolves around eight actors trapped in a never-ending play, seeking a way to escape.