MTL - After Rebirth, the Buddha-like Star Is a Medical Expert - Chapter 613 he cared about me

Xin Yun, a sarcastic young man, traveled to an unknown world by chance, but lost his chance to become the strongest because of his obsession with women... or sex. In a collision of the powers of nine powerful men, an incredible thing happened. Xin Yun was reborn back to the time when he traveled to the Isekai world. A fantasy journey is about to begin... [The comic adapted from this novel is popular all over the world]

The eldest son of the assassin aristocrat Tuatha Dé.

The skill, experience, knowledge of the previous life, magic, all of which grows his power as an assassin.

Excellent assassins pass through. He was usually admired as the ideal lord, and behind it wielded a blade as an assassin aristocrat.

Only I know the end of this world.

One day our MC finds himself stuck in the world of his favorite webnovel. What does he do to survive? It is a world struck by catastrophe and danger all around.

His edge? He knows the plot of the story to end. Because he was the sole reader that stuck with it. Read his story to see how he survives!

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?