Destroying My Own World - Chapter 368 The power of the Queen.

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

Camilla Sanchez's life took a devastating turn when she lost her parents at a young age. Adopted by her uncle, she expected a loving home, but instead, she endured a nightmare. The situation worsened on her 24th birthday when she was forced into replacing her cousin, Clara, and marrying the ruthless cursed billionaire, Sinclair Luther.Camilla viewed the arrangement as a loveless contract marriage but it seemed fate had other plans. Camilla died tragically and her perspective changed as everything came into light.In a surprising twist, Camilla was reborn on the eve of her forced marriage.Given a second chance, Camilla must now decide: will she accept her fate as a replacement bride? Will she find love with Sinclair Luther? Or will this second life lead to another loveless, painful marriage?Dive into (title) to discover the answers.

Xiao Yu, who was a student from modern Earth, accidentally transports to another world and becomes the lord of a territory. Facing an unfavorable situation, he vows to take back his family business, build his new territory, kill all of those who covet his wealth, and dominate the world!

One of the seven strongest people on the continent, the King of Mercenaries. He started a war to avenge his fallen family and destroyed territory but failed and lost his life. However… “Wow, I’m alive?” I returned to the past, back through time. A perfect opportunity to right my regrets and reverse everything. It doesn’t matter if people around me point fingers, calling me a scoundrel, or dismiss me as tr*sh. Because… “I’ve got a plan.” “What plan?” “A plan to destroy everything.” There won’t be a second failure. This time, I’ll wipe out all my enemies. …But first, I need to rebuild this damn estate.