MTL - Mini World Of Endless Fun Awaits - Chapter 814 I'm Lin Xianyu first

In the era of universal mechas, people can go to the endless abyss, collect materials, strengthen and forge their own mechas, and master the power of destroying the world.

Jiang Chen traveled through time and awakened his talent [Immortal Unarmed]. Once the mecha is broken, he can permanently absorb its power and receive multiple bonuses.

…

At the bottom of the abyss, when the Old Demon God finally broke the Titan mecha with great effort, a hand stretched out from the fragments and held down its head.

“Congratulations, you have unlocked my limiter.”

- Description from novelbuddy

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.

The little doctor traveled back to 1981 and became a health school student at the beginning. After graduation, he was assigned to be raped by others.

It seemed that his future was bleak. But with his superb medical skills, firm personality, and golden finger benefits, let’s see how Chen Qi went from a doctor in a township hospital to a domestic medical leader, an internationally renowned surgical expert, and finally he and his wife The story of becoming “one double academician”.

- Description from novelbuddy