Wu Dong Qian Kun - Chapter 135: The Tower Battle Begins

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

Playing under the plum trees and riding on bamboo, those were the days of joyful play. It was when they first met.She was not shy but innocently charming, standing before the breeze with her hair flowing, her complexion as creamy as curds.After waking up, Xu Qingfan had returned to 20 years earlier, to the year 2002.That year, the sky was very blue, the clouds were very white, and the wind was very noisy.That year, his Childhood Sweetheart hadn't gone abroad, their parents hadn't gone grey, and he hadn't the worries of being unaccomplished.That year, he was six, she was five, and they both could fully experience the climate as snowflakes blossomed.PS: This book is also titled “Help, I'm Surrounded by Childhood Sweethearts” and “I Have a Little Too Many Childhood Sweethearts.”

The apocalypse has arrived, unleashing monsters across the globe.Jeremy, a high school student with a past life as a mercenary, awakens to an SSS-tier ability known as “The Eye of Omniscience.” This power allows him to perceive hidden cues invisible to others.[There's a silver treasure chest in the room to the left. Opening the chest with your foot guarantees a 100% chance to obtain a silver-grade item!][There's a hidden boss in the girls' bathroom. Defeating it with a sanitary pad will surely drop a rare skill scroll!][Slapping the job-change statue 99 times during your job change will unlock the hidden class “God Desecrator”!]While the rest of humanity is still living in fear, Jeremy has already obtained various god-level rewards thanks to his Eye of Omniscience.While others are still figuring out how to survive the apocalypse, Jeremy has already reached the pinnacle of humanity, confronting the gods themselves!

Zhou Peng accidentally travels through time, finding himself in a weakened and sickly body with a shattered dantian, unable to cultivate qigong. Fortunately, the heavens show mercy by bestowing upon him an upgrade system.A waste? That's all in the past...Leveling up by slaying monsters, effortless and hassle-free, he no longer has to worry about cultivating.Killing monsters grants upgrades, and so does killing people. In the eyes of others, the awe-inspiring and prestigious sect masters are nothing but shining golden bosses in his sight...With the ability to upgrade, who am I afraid of? When so-called geniuses encounter roadblocks and fail to breakthrough, all I need to do is slay a few more beastly demons. Of course, sect heads, sect masters, realm lords... are even better.For the sake of my path to divinity, offer up your lives!