Birth of the Demonic Sword - Chapter 2307. Six

Wei Long, a highly decorated soldier, is sent on a classified mission with a single objective: to ensure this is his final mission. However, events take an unexpected turn when he and his team located their target—not a normal Dinosaur but a BIO-ENGINEERED DINOSAUR designed by a shadowy organization to be the ultimate predator, created to dominate all life.Despite their best efforts, the team proves no match for the beast. In an unforeseen twist, Wei Long manages to kill it, but not without sacrificing his own life in the process.Yet, death is not the end for Wei Long.He awakens in a strange and mystical cultivation world—reborn as a baby dinosaur. Weak and disoriented, he struggles to make sense of his new existence, only to uncover something astonishing: a translucent screen revealing that his new body possesses the same bio-engineered traits as the monster he once destroyed.Now, as a creature designed to be the ultimate predator, what will happen when Spiritual Qi is introduced into its body? Will he succumbed to its Bio-engineered predatory instinct or he would make use of it?

Aurora Moon tragically dies in a car accident after a bitter argument with her cold-hearted boss, Alexander Graystone.By a miracle, God grants her a second chance, allowing her to rebirth as a young woman who shares her first name.Just as she believes this new life offers a fresh start, she is shocked to discover that she is married – as the seventh wife.To her horror, her husband is none other than Alexander Graystone.

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

Doomsday comes, and human beings enter the heavenly world.
Ten years later, Yang Chen, who was betrayed tragically, returned strongly with the Tianyu bug. In this life, he vowed to make the betrayal pay the price. He has a powerful bug bonus, just like an open hang. Frightened to hear…

- Description from novelbuddy