Naruto: The Chosen Undead - Chapter 110 - no. Dark Souls

In a world of power struggles and betrayal, A hero was once a loyal warrior who dedicated his life to helping his childhood friend ascend to the throne. Through blood, sweat, and unwavering devotion, he paved the way for his friend's reign—only to be betrayed the moment his goal was achieved. His life was cruelly stolen, but fate had other plans.Instead of death, he awakens in his childhood once more, armed with the memories of his tragic fate. This time, he will not be the loyal shadow of a false friend. This time, he will seize the throne himself.Yet, this is not his story.Our true protagonist is an ordinary man who finds himself reincarnated into this world—not as a hero, but as an extra. A mere background character destined to meet a tragic end, a third prince whose death will serve only as fuel for the true villain's rise. Slated to become an undead knight under the fourth prince, the last and most terrifying villain of this dark tale, he must now defy fate itself.With knowledge of the future and a world filled with scheming nobles, ruthless warriors, and an impending catastrophe, can this forsaken prince change his fate? Or will he meet his destined end, only to rise as a pawn in the villain’s grand scheme?A tale of revenge, survival, and defying fate begins now.

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

What would you do if one day you were suddenly told that the gods weren’t just beings from Myth and Legend but an undeniable truth? Would you laugh? Scoff? Or maybe even ignore it altogether. For a young man called Aiden, his choice was simply a mixture of all 3. but when confronted with Divine soldiers that could call forth terrifying flames at just thought, there was no room left for denial. These Divine Soldiers not only informed Aiden of his divine heritage but also invited him to join Olympus Academy, a place known as the training ground of the gods. For most people, such a revelation could leave them questioning reality for several weeks, but for someone bogged down with life like Aiden, it wasn’t a crisis but a once in a lifetime opportunity! As Aiden arrived at the academy he discovered not only was h e talented but hsi genius was so monstrous it made even the gods start paying attention. from then on Aiden didn’t hold back he blazed forward fearlessly, smashing giants, crushing tians and even duelling against the gods. Follow Aiden as he traverses across mystical realms, fights against monsters and creatures of legend and does something unseen since ancient times, to reach for the domain of the gods and surpass it!

After saving one world from a demon god and earning the trust and admiration of a perverted goddess who wants to be his plaything, Sol's terrible luck causes him to get summoned again to another world with her almost as soon as he returns to his own.However, this time around he refuses to take on the role of a hero.Instead, he decides to challenge a pantheon of gods as a side quest while living as a simple and misunderstood man under the protection of his goddess who took his place as hero. Unfortunately, even without trying Sol can't avoid attracting trouble and is constantly getting dragged into epic battles against the gods without even trying because of his cocky personality and bad habits.But that's fine too, if the gods want to fight then he'll gladly take them on and plunder them into ruin!