MMORPG: Rise of The Dungeon Master. - Chapter 89 Experiments..

Standing before you is the Quicklime Martial Saint, the founder of the Taiyang Fist, the Flower Folding Master of Dinghu, Half-step Master Invincible Under Heaven, the First Sword of Xuanmen, the Judicial God, and Taiyi....After the end of the Dharma, a time of grand corruption descends, the world devoid of spiritual essence, and the system of Dao fruits takes precedence.Embracing Dao fruits, ascending step by step, thereby possessing the power of gods and saints, transcending the ordinary to achieve holiness.'Just like this,' Jiang Li said while summoning a dog, 'Heavenly Dog, bite him.'

The King of Hell sentences you to death by midnight, but I can ensure that you live past morning.

The young man, Qin Lang, received the inheritance of a poison school by chance. He uses poison to kill people, uses poison to save people and he uses poison to chase beauties. With body of ancient extinct poison and a body of a martial artist, he walks around the city, and wanders around in the underworld.

- Description from Novelupdates

Qin Zhaoyue, a hundred-year-old Soul cultivator and famous artifact refiner, dies and transmigrates into a body of 16-year-old Xi Zhaoyue, who was killed on her wedding day.

The unlucky previous owner of the body was an illegitimate daughter of an influential family and was forced to live her whole life in the orphanage. However, at the age of 16, her Guide glands were awakened and as fate willed it, Xi Zhaoyue happened to have the highest compatibility with the youngest, bravest, most handsome Major General of the Empire, a dream husband of the whole Outer Space! Finally, a loving family she so longed for was within her reach… Yet, at the wedding ceremony, her Mental sea was invaded and she died.

Once Zhaoyue figured out the situation she landed herself in, she vowed: she wouldn’t be a proud and self-respecting cultivator, if she didn’t strive for independence, for the right to live the life freely! Cultivate, refine, get stronger! Become your own person!

- Description from Novelupdates

This is a story about the protagonist getting the system, going crazy in the biochemical apocalypse, producing aircraft and tanks, destroying zombies, saving good people and killing bad people.

- Description from novelbuddy