The bad status immunity comes from his title in the book.
Title: One who Became a Legend
* Abnormal conditions don’t work well on you.
* You won’t die when health is at the minimum.
* Easily acknowledged.
The book uses 1 gold is 1 USD is 1,200 WON.
@Phlame don't get hooked up on the amounts. The author sure didn't. There's zero inflation in the book. A level 200 players could make 200-300G an hour easy. A level 300 over 800G/hr (though I think 8G from a monster drop around ch200 was the last time gold dropped from a mob was mentioned.) Who exactly pumping in all that money to keep gold prices stable? Don't think about it, it's not important.