Legend of Legends - Chapter 577 - Offense and Defense 1

In a world where power reigns supreme, Zoey Monroe was born with nothing. Labeled “Mana-less” in a society of Hunters, she was the stain on the prestigious Monroe Family, a shame to one of Sunrow City's most powerful bloodlines. Ridiculed, ostracized, and treated as less than human, Zoey endured years of scorn.Until one day, at seventeen, she made a choice—to leave it all behind.Six months later, struggling to make ends meet in the city, Zoey’s life takes an unexpected turn. After another grueling day at work, she returns home, only to witness a dungeon rift tearing open behind her apartment.Drawn by curiosity—and the desperate hunger for change—she steps inside. But the dungeon is merciless. Death looms over her, suffocating, inevitable... until—[Enough Mana Has Been Accumulated!][Error! A mysterious system has already been bound to the host. Adjusting...][Ding! Installing the A Hundred Times System!]In an instant, Zoey's fate is rewritten. From outcast to overpowered, from weakling to warrior—the path to greatness has begun.This is her story.

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

The Imperial Court of Tang Empire became dim and corrupt. The Emperor believed eunuchs. The officials vied with each other for authority. The Tang Empire was about to collapse. The flouring Confucianism, Buddhism and Taoism eyed it covetously. The three sects wanted to contend for the domination of the whole world. Which one would win in the end? Or would they coexist peacefully at last? Armies of different nations invaded the frontier on all sides. People and the whole world were in extreme misery. Who could save them?

Over a million years ago, the first human contracted with the first Spirit. Ever since then, Spirit use has become commonplace. Humans used Spirits to carry items and start fires. Eventually, even start wars. Thousands upon thousands of years past and one day, one human did the impossible. He transcended his mortality and ascended to the realm above.