My Ex-husband Asked Me to Remarry Him Every Day - Chapter 13 - Infatuated with Him

What if a power to level up or upgrade everything—your way of living, battle skills, military prowess, etc.—but this power is limited to your Eldritch tribe.Would you expand your tribe to rise above all adversaries, would you use it to gain more personal power or use it to toy with everyone?Lyerin wanted nothing more than peace on himself, but all he had was regret. He possessed a secret ability that allowed him to quickly excel at anything he chose, but he could only use it once.While others had to spend a long time to reach higher levels or master new skills, he only needed to complete a simple, specific task to level up.However, he had already used this ability to count a specific number of sand grains to save his own life. After that, his existence became a living hell.One day, he was unexpectedly sent back in time, where he would witness numbers appearing in the sky, signaling the end of the world again—an apocalypse he despised the most!But Lyerin realized he could use his ability once more, this time on a certain group of people.A TRIBE!```[ Ding! ][ You have chosen to level up knife slash! As a Wildling of your tribe, you can level up your knife slash. ][ Condition: Slash the knife 500 times. ][ You have chosen a random tree to level up! The tree is part of your tribe; you can level it up. ][ Condition: Water the tree 300 times. ][ You cannot level up anymore due to your limited rank within the tribe. Raise your rank in the clan first. ][ Condition: Give honor to the tribe. ][ You have reached the peak level of your tribe. If you want to level up further, improve and level up your clan! ][ Condition: Level up the Ancestral Healing Ritual, level up the Newborn Den, and level up the tribe's farm. ]```With this overpowered ability, can he still hold onto his selfish wish for peace within himself?

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.

- Description from Novelupdates

Lucas Voss was a normal adult in his late twenties.He doesn't know how or why but he got transmigrated as an extra inside of the novel he read till 5th volume.The problem for Lucas was that his life was in danger as soon as he entered the novel.Why?Because Lucas was transmigrated as the 4th Prince who is an extra and was about to die with an Illness that couldn't be cured.Not only that novel he transmigrated into was 'Cold-Blooded Emperor Rules.'The protagonist of that novel killed every member of the royal palace to become emperor of the empire.How will Lucas survive?Will he die like the extra that he is? or will he fight against fate to survive in this cold-blooded novel and become more than an extra?The only way to know is it read this novel!

Seven billion humans living on the Earth time-traveled together after they had woken up one morning. They all heard a synthesized female voice.