MTL - Invincible Level Up - v8 Chapter 627 , Dragon Slayer

This story unfolds during the later stages of World War II, where a man, scarred by the horrors of war, finally grasps the profound and harsh realities of the world. In this world, those at the top laugh and celebrate, while those at the bottom sacrifice their lives in futile conflicts driven by pride and meaningless ambition.A modern soul transmigrates and fuses with the original soul of a body, creating a unique and extraordinary existence. To some, he is a villain; to others, a madman.In a world steeped in cruelty, this man, determined to secure a place among the decision-makers, struggles to break free from the ranks of those powerless to control their fate. To achieve his goal, he resolves to shatter the chains of law, then the chains of morality, and finally the chains of mediocrity.

Wu Lai was an ordinary high school student. One day he was struck by a flash of lightning from a different world, and suddenly entered a fantastic world full of magic and swords. Since then, he started a totally new life. In this supernatural world, he had his ups and downs, experienced numerous battles, subdued powerful evil beasts, and fell in love with a belle. His nickname “Demon King” was remembered throughout the ages there.

Stay or return was a question. In the face of this choice, Wu Lai, with the nostalgia and gratefulness for the original world, finally chose to stay…

Here was the legend of “Demon King”…

- Description from Novelupdates

Lin Jiang travels through the world of cultivation and obtains the Lifespan Check-in System.Check-in for a day, gain one year of lifespan.This nearly infinite lifespan allows him to live tens of thousands years, bearing witness to numerous lives passing by, their joy, grief, and everything in between.He has persisted from the Stone Age to the Cosmic Age and ranges from cultivation to science. He is there, always there, as the eternal guardian of mankind.(Not a dark and thrilling story, be cautious)

Extras die every day in various ways in the game [Yo-Ma Great War 3].