Dafeng Night Watchman - Chapter 5 - Solving the Puzzle

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

Nyx, Earth's former number one mercenary found himself on the end of his life failing to escape from a powerful criminal mastermind. However, fate seems to have another plan for him when he woke up in a completely different place, a place that he will eventually call home in the new world where strength makes one the biggest boss.[Welcome to the Universal Shop System!][Detected that it is the first-time log-in. Reward: Random Gift Pack (5)][Detected the user entering the Body Tempering Realm. Reward: Infinite Qi System][Opened Random Gift Pack (5). Acquired True Transcendence Body Art (1). Acquired Primordial Nihility Transcendent Qi (1). Acquired Immortal Illusion Art (1). Acquired Grand Desolation Transcendent Body (1). Acquired Extreme Origin Transcendent Soul (1)]With an absurd system as his cheat, follow the young man's journey through the entirety as he gains his position as the one true peerless existence, the sole transcendent above all.

The Barren Continent, where martial arts are supreme, and strength is honored above all.The once-in-an-era prodigy, Ye Chen, came forth with the ancient and unparalleled divine technique. He cultivated his martial veins, survived the thunder tribulation, merged with the spirit blood of true beings, and shook the six harmonies and the eight desolations with his martial prowess. He roamed the myriad realms and heavens, fighting across the world with the secret realm of billions of stars that were eternal and undying!An endless trove of treasures, worlds of bizarre wonders, sects, ancient clans, fairies, witches, friendships and enmities, and heated battles—all of it was contained therein.

He was the cold-blooded prince of the Jin country. Decisive and smart, he had looked down on the world with apathy and disdain.