The World's most Overpowered Side-Character - Chapter 380 Blood Relative.

A calamity descended, consuming the world in chaos.With their final strength, humanity raised towering walls and built great cities to safeguard the last remnants of life.But now, the calamity stirs once more.This time, humanity will not just defend—they will rise and strike back!Witness the heroes.Follow their example.Become the hero!

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.

He was on his way to buy some beer to celebrate his acceptance as a civil servant when he was suddenly isekai’d by truck-kun.

Possessed an extra with a single rune.After obtaining 7 runes directly according to the original Hidden Piece…A fraudulent rune called [Rune Hunter] was created.