I Became a 6★ Gacha Character - 387 - Nobles of the Tower 2

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

The Northern Ice Fields had no boundaries.

The Winter Wolves hid within the snow, the Frost Tigers growled incessantly, and the roars of Giants echoed throughout the land. Many species struggled to survive in the icefield. At the same time, a baby White Dragon possessing the power of time broke out of its egg and opened its platinum-colored eyes.

Years later, the legendary Time Dragon appeared, moving freely between the endless past, present, and future.

Five years have passed since the Elves invaded Earth.

The poor and criminals of the Republic of Ascaria are forced to join the ranks of the soldiers on the front lines while the rich and high-ranking government officials hide behind walls.

Erend Drake is a young man who must go out and fight so his family can live in a squalid shelter within the walls.

One night in the battle Erend had to die because he was killed by the Elves.

But suddenly he wakes up the next day with a mysterious power.

[Congratulations, you have been chosen to be the holder of Systema.]

[Please choose the available skills]

[ Dragon Armor ]

[ Dragon Claw ]

[ Dragon Eyes ]

[ Dragon Wings ]

[ Fire Breathing ]

Erend did not expect that he would become a Dragonborn. The strongest race feared by the Elves and the humans.