MTL - Book of Technology - Chapter 447 Marvel

The protagonist fell asleep while playing an online game. However, he awoke in a strange world with his game character’s appearance. In a state of shock, he noticed that he was equipped with nothing but his strongest weapon and armor. To make matters worse, our hero’s appearance was changed by the special avatar skin『Skeleton』when he entered this new world. The protagonist wanted to live without drawing attention, but he got acquainted with the dark elf Ariana and received her request.

Some people begin their lives with the odds in their favor but end up failing miserably.

Lin Jingzhe, having suffered many losses and setbacks, returned to his eighteen-year-old self just before failing his college entrance exam.

Business opportunities were everywhere in the early 1990s when the Chinese economy started taking off.

Now, this golden age would be his.

- Description from Novelupdates

[Crossover Fic]It was a silent night when a falling star broke through the sky of Westeros and collided in the Stormlands, alerting the Lords of the Realm, including King Jaehaerys Targaryen.Nobody knows where the star came from or what it brought, as the crater was empty when it cleared out. While Prince Aemon Targaryen, King Jaehaerys's son, dismissed it, the Conciliator was skeptical of the event.And his skepticism was not unwarranted, as nobody knew of the viciousness that was brought upon the Realm....No....the world.Drakken, a man from another world, rose from the star-dust and flames after the collision, lurking about the Realm with a terrifying power brought from where he came from. The people of the Realm were not ready for what was to come.

An extraterrestrial thing gives Chen Yizhe the ability to transform the microscopic world

Repair electronics?

To cure all diseases?

Modify DNA information?

Change the structure of water into gold?

Create new material?

- Description from novelbuddy