Tyranny of Steel - Chapter 150: Marvels of Industry I

The worst thing that Shui Ruoshan think he ever did? He wrote the story of “The Strongest King in History”.

Huang Dan’s pain nerve is innately different from the ordinary people. A little tore in his skin can cause him to sweat all over his body painfully to the point of him unable to make a word out.

Somehow, he began to cross world, following Mr. System to do the tasks…

In the first world, Huang Dan realizes what it means to die painfully and to live to die again.

TL’s summary:
MC suddenly transmigrated and is bind to a system, requiring him to solve mysteries. Born with a higher degree of pain sensitivity, he met different people in the different worlds and learns what kind of emotion smiling is.

- Description from Novelupdates

The Republic of San Magnolia.

The Coinbound System lets him buy spells, skills, and stat boosts like a magical vending machine...But nothing comes free.Every fireball costs gold.Every body enhancement? Taxed.Even getting a suggestion comes with a convenience fee.While nobles train for years to master a single flame spell, he can just buy it off the System. From summoning spirit beasts to crafting forbidden runes, his power grows with every coin he scrapes together… and every unnecessary expense he dodges.But in a world where magic is passed down through noble bloodlines and ancient family grimoires, a broke outsider with a price tag on every spell has no business rising through the ranks.Still, he’s surviving. Thriving, even.So long as he tracks every copper and refuses to overspend on fireballs, he just might make it out alive.They call him cheap.They call him stingy.But one day… they’ll all remember the name:The Frugal Mage.