Monarch of Gluttony: System of Sin - Chapter 164: 164: Right Track

Li Hua's reign as the twenty-first century's deadliest assassin ended in fire and betrayal. Her own sister, Li Min, turned their elite force against her, leaving nothing but ashes where a legend once stood.In the moment of her death, Li Hua's soul tore free from its earthly bonds, hurtling across the boundaries between worlds until it anchored itself in a new vessel in a realm of ancient martial arts and mystical cultivation. Through this impossible transition, her inner space remained intact—and with it, Little Firefly, her spirit companion.Here, where qi flows like rivers and mountains bow to those who master their cultivation, Li Hua will forge herself anew. No longer content to be merely an assassin of mortal flesh, she sets her sights on ascending to immortality itself—a journey that will shake the very foundations of heaven.

Calamity descends upon a a tranquil world in the black of night, transforming it into a death game! This a a true apocalypse, but this is not the end of humanity!

- Description from Novelupdates

He defied the heavens once, he returns to do it again.In a past life, he was Xie Wuchen, the heretic god of cultivation. A rebel who shattered divine law, betrayed the celestial order, and vanished in a blaze of infamy.Now, he is Lan—a crippled prince in a world ruled by mana and noble bloodlines. His mana core is broken. His name is a joke. His existence, forgotten.Until the rain falls.And something awakens:[Forbidden Arts Synchronization: Complete][Elapsed Time: 16 years, 10 months, 15 days][Memory Restoration in Progress…]The soul of Heaven’s greatest traitor has returned with a hunger far greater than revenge.And he plans to do more than ascend the magical hierarchy. He will annihilate it.This time, he will forge an empire—not of nobles or spellcasters, but something this new world have never known—Cultivators, trained in arts banned by gods and feared by men.Those who mocked him will kneel.Those who ruled by birthright will burn.And the heavens, once again, will tremble.Magic rules this world.But cultivation will conquer it.

First of all, this is not a story where the cannon fodder chambermaid counterattacks and gives the main wife a beat-down! As a lowly s*ave who had been sold a total of six times, Xiao Hua has long become apathetic to her situation. In her past life, she was a cannon fodder chambermaid who was beaten to death. In this life, she decided to turn over a new leaf and live honestly, yet in the end still ended up being sold off. This prince’s estate seems to have pretty good benefits? She could be released at twenty-five, and they’d arrange a place for her to live under their jurisdiction? They’d even get rid of her s*ave records? Great! That’s great! Xiao Hua thus decided to stay in the Jing Prince Estate and do her job properly. It’s a shame she could never overcome the whims of fate…. The master she serves is a “mute boy”, with several influences above him watching like tigers eyeing their prey. To say she doesn’t want to be pampered is definitely a lie. This is the road to survival of a “discreet girl” who clings on to her master’s leg and is solely pampered, yet feels that he never pampers her. The road from a cannon fodder chambermaid to a beloved imperial consort is a little long….