WorldCrafter - Building My Underground Kingdom - Chapter 177 - Ancient Monster

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Enigmatic hands, spectral frame, and one cunning strike just like the swing of the Grim Reaper. The Supreme Assassin takes on the mystical world, and how his legendary tales sets off, progressively ascending the altar to becoming the best.

- Description from Novelupdates

This is a story about a young man who sought to fight against his destiny. With the help from billions of Dragon Energies trapped on the Rising Dragon Pillar in his body, he emerged from the dark and quenched himself with the blood of ancient dragons. He fought the heaven with the Buddhist Art for the people he loved and built the Eternity Kingdom with his own hands. This is a story about the rise of the Martial Emperor who will rule both earth and heaven.

- Description from Novelupdates

On the brink of destruction, I regained consciousness and found myself back in the past, 20 years ago. In order to have a peaceful retirement, I must prevent the impending doom.

what will happen in advanceThe Empire will fracture, the princes will rebel, and the world will be in chaos!And his tribe will be annihilated and his people will be killed and enslaved!This is not a good era to live.In this chaotic era, the only way to survive is to fight!In blood and fire, he will be baptized into an Overlord that would shake the world![ The character also has a system that will help him to navigate this new world. Enjoy as he begun building a new kingdom in a chaotic world]