Martial Ascent to Divinity - Chapter 24 - 20 Tong Tianxia

In the magical Yowein Continent, Igor the naive young man is pursuing the secrets of the Adventurer.Witches, politicians, ambitious individuals, and all sorts of characters have inadvertently squeezed into the young man's extraordinary journey due to a strange stone.However, none of these has anything to do with the monster...The monster, the One-Eyed Monster, enters Igor's journey like a bolt of lightning, confusingly revealing another secret of the Yowein Continent...

Our protagonist Caam is a man from Earth that was reincarnated into this world as a demon. In order to survive, he spared no effort in avoiding the sparks of battle and without noticing it, he became strong himself.

Witnessing her boyfriend cheating on her with her bestie, Shiyao was so angry that she went to a pub for fun and met a man, who was really a piece of work. After a crazy night she fled away, but was embarrassed to know that the man she slept with was her boss You Ze.
Jesus, give her a break!

- Description from Novelupdates

Strange occurrences arrive, the terrifying world merges with the Real World.Humans fall from the top of the food chain to the bottom.In a single night, humans become the blood food of these evil spirits.In times of desperation, those with tattoos gain power beyond imagination from their patterns.They are called Life Pattern Masters.Some have inscribed Buddha, using Buddha's Radiance to protect a city.Some have inscribed executioners, cutting down countless Evil Spirits.Lin Yuan, once struggled for three years in the world after the doomsday arrived, suddenly traverses back to before the apocalypse.In this lifetime, he is determined not to be an ordinary person.Thus, he inscribes the entire Underworld onto his life.Black and White Impermanence.Ox Head and Horse Face.Four Great Judges.Ten Yama Kings.Ksitigarbha, Ghost Catcher Zhong Kui.Emperor Fengdu.Lord of Mount Tai.........