Story of The Ancient Demon King! - Chapter 79.2

A realm where humans battle monsters and the good die young. 4 weeks ago Will woke up in a new world filled with Monsters and Magic.Thrust into this new reality with nothing more than a class called “soldier” and a leveling system he’s never seen before, Will fights just to survive. When he stumbles across a dying stranger, a mysterious quest line activates. Now Will must head to the front lines where humanity wages war against a ruthless Goblin Horde. There he will join the standing Kadian Army and forge his name from the fires of legend. He’ll have to face Goblins, Hordes of the Undead, cultists, and demons from hell. And that’s just before breakfast. Iron Blooded is a gritty Progression Fantasy with focuses on battles, leveling up, and political intrigue. Perfect for those who like their fantasy with a side of LITRPG.

A surgeon accidentally got the blessings of a system, shocked the medical industry, and rejuvenated countless people.

- Description from Novelupdates

The world was once at war with 10 alternate worlds. This was known as the Concept War and our world won 60 years ago. All of this was concealed so no normal people are aware of this fact in the current time.

After the death of his grandfather, the high-school student Sayama Mikoto is suddenly summoned by the giant corporation IAI. He learns this world is headed for destruction due to the acceleration of the Minus Concepts. To prevent this, negotiations must be undertaken with the survivors of the other parallel worlds so their 10 concepts can be released.

And so Sayama is caught up in the final battle to clean up after the Concept War which left behind so much enmity.

In the rebirth, in order to prevent the tragedy of the previous life from happening, Bai Yu decided to rush to the [Tower of God] at any cost, and face everything together with his sister!

However, Bai Yu, who was bound by the system, mutated his bloodline, and transformed into a black-scaled python seems to be developing on a completely different path from his previous life…

- Description from novelbuddy