Mist (Web Novel CN) - Chapter 69: Chapter 69

Maple was the strongest player in the game of new world online, however, Kaede Honjou was just your average Japanese lady who just wanted to spend some time with her girlfriend and the rest of her friends.She never imagined she would be summoned to another world so similar to her favourite game as a weapon for war.Join Maple as she fights through a dangerous world, while gaining the attention of the powers that be...Although...“How does a slime create a country? That seems a little ridiculous, even for me.”

The fiancée has betrayed, but how could she know that the man she looked down upon was in fact a prodigy with healing and martial prowess!

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

When he did not know her true identity, he treated her very badly, he disliked her too much, she was not elegant enough, she was in the way...Only later did he realize that the woman was his legal wife! He repented, tried to recover her feelings, but she was determined to divorce him.