The Last Adventurer - Chapter 115

Lucian Bowcott only wanted a quiet life. He met up with old friends, made a wish, and died after one drink.Now, he awakens inside a coffin—summoned by the Half-Dead Queen of Atraeum and surrounded by restless souls.Armed with the Death Grimoire, Lucian must embalm corpses, repair brittle bones, and help the dead find peace… before something ancient finds him.As his powers grow, so do the whispers in the dark. If he wants to survive, Lucian must unravel the Queen’s grief, discover why a mortician hasn’t been summoned in over a century, and confront the entities haunting his every step.A/N: It doesn't deal with dungeons, Lucian's system is a magical book, and he slowly unlocks powers to help him with his next assignment. He travels to different places around Atraeum, and in the future, another kingdom.This is a character-driven gothic isekai about an introvert learning that sometimes, peace is more than just embalming a body and preparing it for a funeral. He's more of an undead therapist now

Mythical Abode Mountain, Cloud’s End Cliff, the most dangerous of Azure Cloud Continent’s four deadly areas. Cloud’s End Cliff’s base is known as the Grim Reaper’s Cemetery.

Li Quangqing traversed to the cultivation world and became a family fisherman, starting with twenty acres of fish ponds.Unexpectedly, every time spiritual fish were harvested, a reward orb could be obtained.[Harvested one adult big green fish, received a lower-grade water arrow talisman!][Harvested one adult iron bone crab, received the “Gengjin Sword Technique”!][Harvested one adult longevity turtle, received the “Gui Sui Shou” pill, prolonging life by twenty years!]...Since then, Li Quangqing watched the tides rise and fall in the world, the wind and clouds changing, wanting only to raise fish and become immortal peacefully.Until thousands of years later, a certain Water Virtue True Immortal appeared out of nowhere, shaking the immortal realm, capable of covering the sky with one hand.“Since the Milky Way is also a river, it's okay for me to use it for fish farming, right?”

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates