The Undying Mecha Emperor - Chapter 209 Giant Mutated Squid

Le Xia traveled to the Marvel world. He was born ordinary, but after encountering a dilapidated bronze box, his life was destined to be extraordinary.

“Put on the holy clothes and protect the love and justice on the earth!”

The moment he touched the box, these words were imprinted into his soul.

Whether it’s evil spirits in the dark, covets in the starry sky, or “gods” who regard all living beings as playthings, all evils that try to disturb the peace of this land will face the justice of the saints.

When the golden holy clothes reflected the dazzling starlight and the white cloak fluttered without wind, the legend of the Saint Seiya began to spread throughout the Marvel universe.

- Description from novelbuddy

In a world where cruelty reigns and only the ruthless survive, Arthur—a boy born in the gutters of a city ruled by monsters—knows only one truth: power decides fate. Shackled by the past, driven by vengeance, and desperate to carve his own path, he plunges into a brutal struggle for dominance. But as blood stains his hands and the lines between man and beast blur, Arthur stumbles upon something far more dangerous than war—fragments of a life he was never meant to have. A name. A home. A reason to fight beyond survival.But is survival enough, or will he become the very thing he swore to destroy?

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

Song Yang was a Mercenary King in his previous life, killed by a stray bullet. He transmigrated to a world of cultivation, where the ability to control clouds and move mountains is commonplace.In this life, after taking over the body of a prince who had lost everything, he awakened a system that granted him a legion of thousands of cultivators in the Saint Realm from the start, and thus his story began.Creating a Shura Palace that made the whole continent tremble as soon as it heard his name.Be it a Saint from a Holy Land, an Emperor from a Powerful Empire? An ancestor from a powerful family?No matter who it is, as long as they pay the corresponding price, Shura Palace can kill.