Desolate Era - Book 44, Chapter 25 - Snake and Sword

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

By the time I reached thirty, I hadn't managed to provide any of the happiness I wanted for my wife.I also still couldn't become the support my parents relied on.At this turning point in my fate, my income suddenly began to increase randomly.(A daily life tale in a wealthy family setting, featuring a single female lead and no harem.)

Chu Nan is born in a cultivation family. But after his parents disappear, he is treated as a slave by his uncle, who takes Chu's blood to help his own son's cultivation and even banishes Chu to a wasteland.However, Chu awakens the mysterious force hidden in his blood and swears that he will take his revenge.“Nine Desolate Profound Transformation Scripture, Devour all demons as foundation, Absorb myriad beasts as blood, Reverse the progenitor of all beings, Create the sole Dao Body within heaven and beyond the heavens!”