A Hundredfold Training System Instantly Upgrades 999! - Chapter 31: In a word, drive you from heaven to hell!

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

Li Pu, who has the blood of a summoned beast, originally just wanted to lie down honestly, but found that his talent as a summoner seemed a bit unusual…

- Description from novelbuddy

Upon transmigrating, Su Xing awakens in a highly advanced game-like martial world.This world is populated by extraordinary beings known as Awakeneds. Favored by Heaven, these Awakeneds can level up and increase their power by clearing dungeons and slaying monsters.Su Xing receives a hidden profession, a Cultivator. However, due to unknown reasons, he is unable to gain experience or level up like other Awakeneds.Unable to level up, he can only cultivate. But in this era of declining spiritual energy, where cultivators are nearly extinct, even acquiring spiritual energy is a luxury. After four years of university, Su Xing is still at the puny Qi Refining stage, struggling to even graduate.Fortunately, he awakens a golden finger, the “Life Simulator,” which allows him to simulate the future by paying energy. He can bring back the cultivation and items obtained in the simulation to the real world.

Takahiro Nao, a 25-year-old burdened by crushing debt and driven solely by his love for his struggling family, meets a tragic end—until a mysterious Goddess of Benevolence offers him a second chance: reincarnated in another world, and his efforts there will provide for his family back on Earth. Awakening in the body of Naoki von Blackmore, a disgraced “Failed Hero,” Nao is thrust into a realm of sword and magic, monsters, and war, tasked with the impossible mission of defeating the Demon King. With newfound powers, a shadowy past, and the weight of two worlds on his shoulders, he must battle not only relentless enemies but fate itself. Blending emotional depth, thrilling action, moments of humor, and a spark of romance, this gripping isekai adventure asks: how far would you go—and what would you sacrifice—for the people you love?