Harry Potter: Eclipse. - Chapter 75:

In the back alleys of the Central Empire, there appears a monster that eats people. And that’s me.

I am merely a reviewer, albeit the products I review are slightly different. For example, I review quantum computers, artificial intelligence, anti-gravity mech armor, planetary engines, sublight colonial ships, stellar detonators, etc…

Liam was thrust into the multiverse starting from MCU where he was given the ability to travel to various games where he could get some abilities, props or knowledge based on his completion rate of the story in the game world.Start the journey again as Liam gets to see his world change from what he had known from the movies.

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.