I Said Make My Abilities Average! - Chapter 11

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

Once an unsung slave; Yur’s existence was defined by blood, pain, and chains. That was until he stumbled into Zulmasharr, the realm of demons.In the depths of despair and agony, a near-death encounter unsealed the terrifying truth of his existence; he is no mere mortal. A cursed hybrid of human and demon; Yur’s survival was only possible through the bloody rebirth of his Ashkavaal bloodline and the awakening of his sinister cultivation system, Zul.With Zul, Yur can rear demons for rituals, harvest their power, and dominate the chaotic world around him. But freedom comes at a cost. As the incognizant successor to an ancient being, his every step is burdened by the weight of a destiny he never asked for. Yur craves only one thing: to stay free, unbound by demons and men. Yet his growing power and severed bloodline ignite the fascination of forces that would see him enslaved or slaughtered.Yur must steer through a world of demons where trust is a fault, survival is animus, and his very existence is a blemish. Blood will pour, flames will revolt, and demons... they kneel or die. But in the end, is freedom attainable for the bearer of a bloodline forged from blood and ash?Will Yur vanquish his fate or will it condemn him?

The half-elf Sharlayan, who was excluded by his tribe since he was a child, got rid of the restriction of anti-addiction on the day he became an adult, and obtained his own golden finger-the “window” that can communicate with other worlds.

From this moment on, his every move will be under the attention of countless people from other worlds, but because of this, he has obtained a lot of vital information from the bullet screens of those sand sculpture netizens.

About the nature of Azeroth, the future of the high elves and Quel’Thalas, and, as a half-elf, my true origin.

The world is beginning to unravel the veil of mystery, and no matter whether Sarlayan is ready or not, the magnificent wave of the era is just around the corner.

“Children, embark on a journey, witness this vast and mysterious world with your own eyes, and discover the truth hidden behind it.”

“Don’t be ashamed of your half-elf blood, I believe that one day, you will fulfill my and your mother’s expectations, and make the whole of Azeroth proud of you!”

“…Also, who said your mother is human? Have you heard of Dragon Knight?”

――Father, Julian Deep Shadow

- Description from novelbuddy

220 years ago, in the legendary Dragon Demon War, Hero Azell ended the war by killing the evil Dragon Demon race’s King Atein. He was able to save the population, but as a consequence, he was cursed. While he was dying, the high magician suggested a gamble that might save his life.