The Regressor Can Make Them All - Chapter 270

In a world where beast masters rule by taming magical creatures and competing in thrilling tournaments, becoming the most celebrated sport, Eratz seemed destined for greatness. Surrounded by friends and family, his path was set until a shocking betrayal shattered his dreams.Fueled by the pain of his betrayal, Eratz looks up at the night sky, finding a new purpose. He vows to rise from the ashes and conquer the beast master world, determined to become the greatest and reclaim his lost honor.

When he woke up, Lin You found that the world had changed drastically.

Monsters of all races roar and bombard wildly, field magic cards form a deep sea out of thin air, royal tombs, skyscrapers, and trap cards are infinitely possible.

Duellist colleges and universities all over the country are rising, and the miracle secret realm is full of dangers.

This is a world where all people chase cards, and the era of card duelists shines.

- Description from novelbuddy

Ye Xuan is a very good doctor. Even though he is only 14-15 years, he has been learning medicine with his grandpa since he was 3 years old. His grandpa is a legendary doctor, of the Medicinal Dao Master level just one step shy of the ultimate level.

But his grandpa suddenly died after trying to cure a mysterious person with the “Hundred Evils Body” and Ye Xuan is now trying to survive together with his uncle. His grandpa left the first half of his doctor’s manual to Ye Xuan. The other half is in the hands of a former friend of his grandpa who now refuses to return it.

Ye Xuan has to become strong to retrieve the 2nd half of the manual. The first half of the manual contains a special acupuncture method which allows Ye Xuan to cultivate much faster than normal people.

When his uncle suddenly disappeared, leaving only a note with the word “flee!” on it, Ye Xuan is left on his own to survive in this world.

When Ye Xuan finally made it into a sect, he was forced to join a waning division of the sect where he is the sole student of a beautiful woman. His master…

- Description from Novelupdates

Lieutenant Jack Fritz is a self centered American man of German descent. He like many joined the United States Navy in hopes of getting an easy life and easy money. In fact getting money and taking it easy is all he has ever really wished for in life.However life seems to have other plans in-store for Jack as he suddenly finds himself at the beginning of World War 3. Though his fight does not last for long as he is suddenly blown to bits by a missile and sent into the afterlife, but instead of going to heaven Jack is dragged to another place where he is given another chance at life by some fiery demon for a price.Having been given no other chance Jack does as the demon says and earns himself life again. Though he doesn't return to his original world, but a medieval one. With no guidance and no higher purpose given to him he simply decides to do the best that he can within this new world of his. This time he will for sure earn that perfect life of his and possibly a lot more.But little does Jack know his fate is not his own and there are many sinister things in-store for him. Also the world he finds himself in is not a safe or simple medieval world, but one beset by dangers from all sides that are already little by little driving humanity towards its extinction.