MTL - First Evolution - v15 Chapter 52 key clue

When he returned to the World of Martial Arts, the game was filled with blood and battles! Chen Kaixin had chased after the footsteps of the one emperor, two empresses, three princes, seven dukes, and thirteen aces for three years, but during the eve of the Sword Among Us tournament in Mount Hua, he was ambushed by evil bastards, and was killed so much that his level dropped to that of a newbie. He completely lost the chance to join the ranks of the powerful players in the game! In great disappointment, Kaixin quit the game and got drunk so that he could forget his sadness, but during that stormy night, Chen Kaixin found that he had actually dreamed for a total of three years, because when he woke up again, he woke up to three years ago, when he was still a student.

- Description from Novelupdates

【Matrix Survival Game】

All players have the same initial resources.

Each person can explore ten rooms per day, and there may be dangers and supplies in the rooms.

Do your best to survive.

…

After reading all the introductions, Li Zheng heard a voice in his ear: The daily treasure chest is being drawn, and the quality is random…

Congratulations, you have drawn a silver treasure chest and obtained a silver-quality blueprint “Normal Edition Detector”, along with several supplies.

Congratulations, you have drawn a bronze treasure chest and obtained a bronze-quality blueprint “Air Purifier”, with some supplies.

Congratulations, you have drawn the white treasure chest and obtained the platinum quality blueprint “Ion Cutting Blade”, “Intermediate Gene Culture Solution Recipe”, “TJP Type Shield Blueprint”, and a lot of materials.

…

Congratulations, you have drawn the super god-level treasure chest, and the reward……

Li Zheng looked at the brilliant treasure chest in front of him and rubbed his hands together excitedly.

- Description from novelbuddy

Ade has lived in an incense burner for over a thousand years, her days spent sleeping. Longing for the outside world she hears about from her fairy friends, her wish is finally granted when a man brings her home, releasing her from the seal. Ade, tears streaming, vows to repay her savior to the fullest extent.Qin Yu, known as the cold and ruthless Third Master Qin of Kyoto, finds his life upended when strange occurrences plague his bedroom after he places an antique incense burner given to him as a New Year's gift there. Chaos ensues, with items displaced and unexplained puddles of water; he even senses something in his bed while half-asleep.One afternoon, Qin Yu comes home early to find a young girl cleaning up spilled milk. The girl, her black hair cascading, her skin porcelain, is startled by his return and tries to flee. Upon being caught and questioned by Qin Yu, she timidly speaks of repaying her debt.To Qin Yu's amusement, she lists her belongings: pearls, antiques, even her savings. None of these interest Qin Yu, who instead sweeps her into his arms and suggests a more personal way of repaying the debt. Terrified, the girl's beautiful fish tail is revealed.

One day, a Tower appeared, and with it a proclamation by God that Humanity is to be judged for becoming too corrupt.Regression…It’s an ability so fraudulent that it doesn’t require any detailed explanation.Yes, I also agree that it is a fraudulent ability, but…Isn’t it too much to regress due to just a slightest injury…?