Owari no Chronicle - Volume 9, Chapter 30: Preemptive Truth

The second prince has come of age. To celebrate the advent of such an occasion, the search for a suitable bride began. My younger sister was expected to go to the Royal Palace as a candidate. However, despite this, she eloped the day before her departure. I, the older sister she left behind, looked almost exactly like her – so much that we were often mistaken for twins…

One month, right? For just one month, shall I substitute in for my sister?

She was reborn back to 11 years ago, when everything was fine, her family was still alive and she had not experienced the pain of destruction. Since she had the chance to restart, she decided to seek revenge on those who had hurt her! She would also leverage her knowledge and strength to lead her family to a prosperous life. However, she has a regret: despite being reborn, she still ended up marrying him, a man who was difficult to approach...

A surgeon accidentally got the blessings of a system, shocked the medical industry, and rejuvenated countless people.

- Description from Novelupdates

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?