MTL - Seizing a Good Marriage, The Virtuous Medical Consort - ~ 181, not a simple collapse event

Will this treacherous darkness swallow you up, or will you survive as a unique existence?Lin En accidentally transmigrated into this monstrous world. As a rare human doctor, every one of his patients was moved by his “gentle” treatment and “sincere” service!“Anesthetics? Maybe next time.”“My knife is quick, it’ll be over soon~”Welcome to Bloodsaw Pharmacy, where we will serve you wholeheartedly.

The Great Human Civilization has crumbled apart, falling into the Abyss. A hell with no escape. To survive there, some rules must be followed blindly.1: Be wary of the dead for they don't rest even in death.2: Always be on the lookout. Danger lurks everywhere in the Abyss. Nowhere is truly safe.Lastly, if you hear something unusual like a voice that shouldn't be there, do not investigate. Just run. At least then you might get to keep your life.***Kev's adult life was suddenly upended when he was pulled into a nightmarish world along with countless other humans. To survive he had no choice but to perform a ritual he chanced upon through a series of inexplicable events. The ritual promised great power. He gave in to the temptation, performed the ritual and stepped into the realm of mysticism. At the same time, he unknowingly put himself at great risk. Since the moment he performed the ritual, He faced the risk of losing his humanity or himself entirely.He didn't know then that performing the ritual demanding a great price. By the time he realized it, it was already too late to turn back.You have performed a Great RitualGained class:- Corpse Collector in the DarkTrait unlocked: esoteric mutation of the soulGained skill: shadow manipulationAssimilation rate: 0%Collect corpses to growIncrease in assimilation rate unlocks new skillThe power comes with a great pricePay it obediently like a law abiding Abyss Dwellers or risk losing yourself to the evil brewing within...

To reward Meng Fan for his bravery before his heroic death, the cosmos rewarded him with a ‘system’, sending him back in time to three months ago, alive.