Mysteries of Immortal Puppet Master - Chapter 611 - 172: Old Monster in Stone, Transforming Spirit Level?!_2

This is an alternate history. Decades after the fall of the Eastern Jin Dynasty, the world is still in chaos, although there is hope for reunification.

A prestigious senior mechanical engineer in the industry, Xu Yi was sent to a world dominated by magic.

In a world with an almost non-existent industrial system, how can Xu Yi display his value?

When magic collides with modern technology, when magic merges with machinery, that is the beginning of this story.

Asahi Aito died in the accident and finds himself in a white room and met Oldman he saves in the accident and It turned out he was a God and gave him an offer to be reincarnated and he let out the Youngman of the worlds that spit out by gacha along with the skills.---------------------Crown_Ball is here! I'm here again so treat me nice especially my grammar haha, so I hope give me some adviceBtw I don't own anything I use from the other work except the OC I made in the future also I don't own the picture.I made this for my fun and Spew out my Imagination in my brain.

After dying prematurely from an incurable disease, Yuka Hikano finds himself in a mysterious realm filled with endless doors, each concealing divine gifts from powerful deities. He is not alone—others who have met the same fate of death stand beside him, unaware of the trials that await.They are put through various tests and eventually transmigrated into different worlds. But these worlds are nothing like the Earth they once knew.For Yuka, however, this apocalyptic world feels eerily familiar. It is a realm of endless war, devastation, and chaos—a world he once played in a game. Certainly not the kind of place one would wish to be reborn into.From infancy to adulthood, he must gather strength, knowledge, and allies to survive the horrors that lurk ahead. But when he awakens a system granting him a power beyond imagination, he soon realizes that blessings can also be curses.[You have gained Infinite Mana.]Infinite Mana...?What could possibly go wrong?