Path to Becoming the Greatest Space Mercenary - Chapter 13 - (Spoiler, Title at the Bottom of the Chapter)

“O, Hero!” With that cliched line, Kazuya Souma found himself summoned to another world and his adventure–-did not begin. After he presents his plan to strengthen the country economically and militarily, the king cedes the throne to him and Souma finds himself saddled with ruling the nation! What’s more, he’s betrothed to the king’s daughter now…?! In order to get the country back on its feet, Souma calls the wise, the talented, and the gifted to his side. Five people gather before the newly crowned Souma. Just what are the many talents and abilities they possess…?! What path will his outlook as a realist take Souma and the people of his country down? A revolutionary transferred-to-another-world administrative fantasy series starts here!

“How did you board the Astral Express, walk the Path of the Stars?”“Because I ended the Honkai, altered everyone's fate.”“So your first step on this path was becoming a hero?”“No, it was for survival, searching for a thigh to cling to.”“And then?”Ryan adjusted his glasses, his voice resounding.“I became the thigh.”

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

The world is like a chessboard and all living beings are the pieces on it!

“I do not want to be treated as a chess piece by the players!”

Defeat in this chess is tantamount to the destruction of my body and I’ll thoroughly disappear! Victory in this chess and I’ll have a very long life!

With the help of an ancient Weiqi piece, Gu Hai arrived at the Divine Province Mainland!

Heavenly Dao is eternal, however life is limited, making heaven and earth pieces of a chessboard, then in the end transformed into a loess, vanishing like faded smoke and scattered clouds. Nevertheless people still jump out of the chessboard, and these people are already prepared for their death while playing chess against the heavens, and perhaps win eternal life for themselves?

“I’ve come, and I want to live through 10,000 lives without any boundaries!”

- Description from Novelupdates