While Others Cultivate, I LVL UP In My Sleep Using The Dungeon System - Chapter 32: Floor 1 Boss Battle

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

Humanity’s first 8th Class Mage.

Betrayed, he traveled back 30 years into the past.

The story follows Ian Page, archmage and the first man to break through the 6th class, then through the 7th and become the most powerful mage, an 8th class mage.

After a lifetime of war and killing, the continent was finally unified thanks to his efforts. Now, old, his wish is to live the rest of his life in peace and try to find salvation for all the blood he spilled. However, his old friend, maddened by paranoia, couldn’t tolerate someone so powerful, so he betrayed Ian and killed him.

In his last breath, he cast a time magic that allowed him to travel back to when he was a young boy. With all the knowledge he previously had, he decided to do things better so he could end with less regrets.

The world had shown Baines every possible lesson it could teach; from familial love, joy, and peace to hate, rage, betrayal, and pain.He got detached from his family by the wimps of others.But, before he began his journey to find them, he was forced to witness that scene that haunted him once more. The destruction of his home.He was about to give up on life when an unforeseen opportunity presented itself.There, he vowed, “The world will bleed for what it has done to me.”Using the greatest collections gathered by his ancestors, he set out on the thorny path to revenge.Little did he know, the result of his actions followed other cascading events that then threatened his world.Does he refuse to help the world because of the pain it had caused him? Or, will he join in the destruction?

In the second year of marriage, Yvette Thiel was pregnant.Yvette was full of joy, but she got a divorce agreement.In a car accident, Yvette lay in a pool of blood and begged Lance Wolseley to save their child, but Lance left with his sweetheart in his arms.Yvette was disheartened and slowly closed her eyes.Later, it was heard that Lance from New York had a taboo name, and no one could mention it.At the wedding, Lance suddenly went crazy. He knelt on the ground and looked at the cruel woman with red eyes. “You are pregnant with my child. Who do you want to marry?”