Immortal of the Nine Realms - Old Friend, I’m Here To See You Off

Liam who was born from a once prestigious household was found out to be a genuis of magic, genuis that appeared only once in a minnelium but as he reached the age of awakening the system it was found out that he was no different than a normal human although he had legendary skills they all appeared to be locked.Now living with his single mother who was struggling financially Liam could not bear to see his beloved mother in such a state.One day while on his way to town he mistakingly entered a dungeon and that marked the beginning of his new life...

Before going to college, an ordinary high school student went to celebrate and got drunk. When he woke up, he found himself in a completely different world. There was a big sect, the approaching sect entrance examination, a slum where his body’s previous owner lived, and a shared memory about a missing young girl.

When he got tangled in a fight with a few punks in this different world, he fell off a cliff and miraculously found himself still alive, with two more voices ringing inside his head. They were Sword Master and Saber Master. In the company of them, he continued to find out more about this whole new world. He took the sect entrance examination, entered the sect, met a strange man in black, and even participated in a major competition of the sect to have a chance to win over his peers!
In this whole new world, he was born again and got to explore the fantastic martial world!

- Description from Novelupdates

Li Yu transmigrated to a world of the cultivation and martial arts. He became the head disciple of a low-ranking sect.

[WSA 2025] To confront the threat posed by monsters and demons, humanity summons a hero endowed with a mysterious system and an unrivaled capacity for evolution. He becomes the last bastion of hope for mankind. However, one of his mistakes gives rise to a calamity far worse than the Demon King.This calamity is conceived in a dungeon, abandoned as a fetus by its mother, and raised by the Demon King himself. Upon the Demon King's death, all the restraints he had placed upon the creature are shattered. Thus, the hero's nameless son begins to lay waste to everything. The greatest calamity the world has ever known is born.