Calamity of Tomorrow - Chapter 6 - monsters?

When I was reborn in South Korea, I wanted to live my life in peace. Pass the activation system, unlock the 'Big Brother' career, obtain the invincible system, and embark on the road to power

After the nuclear warfare, massacres started to spread throughout the entire world. The order between humans completely collapses, and the strong eats while the weak gets eaten becomes the #1 rule.

The world had started doomsday, and I struggled for a year, before I died under an enchanted beast’s claw. Heaven has given me another chance, back a day before the end happen. Will I be able to change my fate, and that of my loved ones? Now, I will start my journey on becoming the strongest on the planet that the Gods have changed into a game world.

- Description from Novelupdates

For Chen Cheng, thirty means interest—the interest rate.From 3,000, to 100,000, to a million, to ten million, and then to over a hundred million...An ever-increasing amount of principal, an endless stream of interest.With money generating money, compounded interest calculations made Chen Cheng exclaim:This money can't be spent! Absolutely can't be spent! For a lifetime, I can't finish spending it!