Monster Evolution System: I became a Rat - Chapter 103: House of Emptiness

A man reincarnates in the body of a boy who suffered a tragedy, only to realize that he is in the world of My Hero Academia. What's even stranger is that his quirk seems to have the abilities of Nen and Haki.

“Crossing over to a fantasy world of magic and battle auras, Lei Luo accidentally crossed over to the Xiluo Magic Academy and became a librarian.

How long I’d been here, I couldn’t quite recall. From this sorry situation, I as always raised my eyes to the sky; a sky in which the great, massive sun was clad in levity. Sunlight poured gently upon all. What a blessing it would have been for the world if only the skies could remain clear. For tomorrow too, and for all days to come, I was to continue to pray for calm. To endure for those who cried, with desperation I remained in prayer.

And then, one freezing, forlorn, soulless, stagnant, drizzly day we died. Or so I thought…

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.