Ultragene Warlord - Chapter 35: Yun Clans Wager

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

A Count’s Daughter who lost in the running to become the Second Prince’s fianceé, Camilla. The Prince chose a Baron’s daughter as his fianceé, and the world blessed the two’s love as fated. On the other hand, Camilla who was tailored and elevated as the love’s villain in the end, as punishment she was made to marry a terribly fat and ugly man――called『Toad of the Swamp』from his appearance, a lord of a remote region named Alois.

Lu Jiangxian died after staying up late one night. Yet, he finds his soul trapped in a fractured, bluish-gray bronze mirror. He falls into a boundless world of immortal cultivation and finds himself in the perilous landscape of Mount Dali. There, a small family from a small village by Meiche River picked the mirror up and is bestowed with the ancient teachings of the immortal ways, heralding the dawn of a splendid new era.

From a stumbling lion cub to a majestic lion king, he imagines that his life as a lion would peak and end with him owning a vast territory, dominating the grasslands, terrifying all his enemies while having many wives and concubines.