Heart of Darkness - Chapter 77 - 64

When people pass away, they often leave behind unfulfilled wishes. I will act as a force of justice, helping the deceased achieve their final desires before I return to my own world to confront and make peace with my own regrets.

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

Ethan transmigrated from earth to a post apocalyptic martial world with a system.His system has only one function: Double the attribute every day. Watch him rising in the universe with a pace faster than the speed of light.

For ten years, he had loved her, but with just one word of “brother,” she rejected him completely.His dignity was trampled upon, yet she remained indifferent to his feelings. It was only when He Ju finally woke up to the truth that he realized his love was not even worth mentioning in her eyes.With a plane ticket and a long-planned confession, He Ju finally understood that there were people in this world who loved him foolishly.He Ju no longer obsessed over the past, and instead focused on the person in front of him.However, when he achieved success and had a loving wife, his former lover came crying to him: “Brother He...”