Side Character Transmigrations: The Final Boss is No Joke - Chapter 831

The world is in ruins. Extreme sub-zero temperatures suffocate the surface, making even simple survival an ordeal. Frozen derelicts of bygone eras span across massive ice wastes. And the survivors closely guard any technology rediscovered within.The only escape from the deadly climate is beneath the surface. But it’s another disaster underground. Monstrous machines lurk in the depths. Unhinged demigods war against them, dying over and over, treating it all like a game. The land itself shifts over time, more contraption than rock. And an ominous prophecy states that the key to everything waits on four heroes - but nobody knows who or where they are.When an expedition into the far uncharted north goes terribly wrong, Keith Winterscar and his father get trapped together in a desperate fight for survival. Stumbling upon an ancient war of titanic scale; the two will need to set their differences aside while they struggle against Gods, legends, and the grand secrets of the realm that lies below.

The world that nurtured the civilization which reached the pinnacle of magic was on the verge of destruction.
The last survivor transmigrated to the past, when the magic civilization started growing, as countless mages were still fumbling their ways through the thorny paths of magic knowledge.
He, who came from the end of the magic era, aim to reach the pinnacle of magic.

The mentally disabled 13 year old daughter of the Ye family, one day re-births! She rules over the Omnipotent God’s Cauldron, she possesses a spirit cultivation space. She’s no longer the good-for-nothing, abandoned girl who everyone bullies whenever they see her! With her incomparable poisons, even miracle doctors have to move to the side.

Spirit beasts beg for contracts, but too bad, even the God of Beasts have to call her Boss. Scum father, you dare to abandon your wife and daughter, she will surely make him destitute and homeless. People of the world, you dare to bully her, to insult her, she will definitely pay them back a hundredfold.

Reborn again into the world, she returns as a sovereign, but who knew she would attract the nefarious-blood-thirsty-demon him. He’s definitely the sly emperor who doesn’t hesitate to kill and cut down anyone, but he transforms into a harmless foolishly cute prisoner prince of an enemy country……

- Description from novelupdates

Li Rui had lived to to seventy without any cheat or golden finger. Looking back on his life, he had gained nothing and accomplished nothing. Just as he’s been worn down by the years and resigned to his fate, he unexpectedly awakened the Perfect Life System.“Come on, tell me, how is a seventy-year-old man who’s about to kick the bucket supposed to live a perfect life?!”【You are born with the Martial Bone, and from the moment of your birth, you are destined to become the world’s number one. You gain the talent – Martial Bone.】【At the age of ten, you join a renowned sect and shine in the sect’s grand tournament, gaining fame and attracting the attention of an immortal teacher. You acquire the talent – Divine Skill Mastery.】Looking at 【Gains the favor of an immortal maiden, becoming a divine couple】, he fell silent.“Seventy years old is just the right age to start doing things!”…Many years later.Li Rui finally emerges with the supreme innate Dao fetus, slaying ten thousand demons, breaking ten thousand evils, and ruling over the immortal realm for a hundred thousand years. He is hailed by the world as the Evergreen Immortal Venerable.