Last Egg: Reincarnated as a Dragon in a Game - Chapter 257: The Magma Railgun

With the Legendary Mechanic System, I transmigrated to Marvel Universe to be Dr. Zola’s assistant.

With Mechanical Force Analysis, I can learn every black technology.

Winter Soldier’s arm? I built a better one for you.

Iron Man’s armor? I already made it a decade earlier.

Doc Ock’s tentacles? I am the one who provided core technology.

Hulk’s mutation? Sorry, I was there and got hit by the radiation too.

As for a certain purple potato, can he collect all Infinity Stones?

……

However, I only had one simple ultimate dream. That is to go home…

- Description from Novelupdates

A 30 year-old construction foreman and company worker, Satou Tarou dies from an unexpected accident. However, he receives a cheat-like ability from a god-like existence which allows him to cast healing magic and the knowledge to produce potions.

Using his newfound powers within this new world, Tarou accumulates a surplus of wealth and changes his name to Tauro. Setting his sights on the pleasure quarters of this parallel universe, perhaps the beginning of a new legend is on the rise….

Listen here, because I've seen it with my very own eyes.William Oh was born on the hundredth floor of The Tower, to the greatest Climbers of the ancient world, steeped in the Tower's lethal miasma from the moment he drew breath, giving him strange and unnatural powers.They say he is an immortal being who circles the dreams of mortal men, resurfacing wherever the need is greatest. Those who disparage him will fall into despair, but if you're a Climber in a tight scrape, look to the sky and say a little prayer.Maybe he will appear?Odds are probably better if you pay for my drink.- Rumor overheard on a 1st Floor Tavern. Originator did not pay his tab.

A human from Earth is thrust into the [Hunter x Hunter] world, becoming the Zoldyck family’s defiant, red-eyed prodigy. They call me a genius and the rightful heir, but I say that’s Killua’s burden to bear.Armed with crimson eyes, and a subtle yet powerful system, I’ll rewrite destiny, upend the world, and embrace the chaos with a wicked grin.