In LOTR with Harry Potter system - Chapter 310: Magic Apprentice

Long Fei, a cross-timer and doujin, is an otaku who traveled to another world. In the original world, he was an otaku fan of Gundam and military science fiction.

He died in an accident and was reincarnated into another world. The Gundam works he had read before his death and the techniques in various military novels could be brought to another world.

How would he use the Gundam that Long Fei created? What waves can be caused in this different world?

- Description from novelbuddy

After crossing over to a fantasy world, Rhett finally becomes a minor noble at the age of forty— the Lord of Hawkeye Town.It is then that he discovers that he possesses a special ability.Staring at the options of [Text Simulation] and [Real Simulation], Rhett hesitates before choosing [Real Simulation].【Do you wish to start Real Simulation? Each simulated day will consume 5 Destiny Points.】“Yes.”…【Real Simulation Complete. Please choose one attribute to retain.】【1. Constitution】【2. Battle Qi】【3. Mental Power】Fantasy simulation, lord’s territory management, family growth—more exciting content awaits you!

An editor at the prime of her life—and with maybe just a little too much free time—finds herself waking up in one of her favorite RPGs with no clue as to what's going on or how to get back home.This might be the part where others rejoice over getting whisked away to a world of wizards and magic, but she certainly doesn't think it's anything to celebrate about.After all, she woke up in the body of a small-time villain with some severe personality issues.

The Great One Above All Creation has decided that there were too many Dimensions.His solution? He had decided to merge them and make their inhabitants fight for total supremacy, ensuing an interdimensional event of cataclysmic proportions, the Ragnarok.And the winner of this event would be able to keep their dimension from imminent destruction!Amongst the many inhabitants of countless worlds, there were a selected hundred named “Players” who were given a special System Ticket.Gustav is one of such Players, thrown into the interdimensional apocalypse, he will use the System he acquired through the System Ticket to crawl his way to the top!He can not only summon powerful beings that can level up and evolve at his side, but he can also fuse them or even extract their Skills, having endless possibilities!Watch as one man and his loyal summons conquer the world, the galaxy, the universe, and then the dimensions in this fast-paced and action-packed epic tale.