I picked up skill fragments in the monster world

Description

Introduction 1:
Zhang Chen travels to a mysterious world where he can randomly pick up talent skill fragments from monsters - and add points for unlimited upgrades.
And all of this started when the Yellow River overflowed and someone wanted to turn a dragon into a dragon. According to the county annals, the 16th year of the Lunar New Year coincides with the Grain Rain season:
Before his death, a man told his family that he would be thrown into the river after his death and that he would not be given any clothes to wear. The family couldn't bear it and put a flowery underpants on the body. Ten years later, there was a major flood, and a white dragon wearing flowery pants jumped out of the river and saved the whole village...
"Hey, that dragon, your water control technique is gone!"
Introduction 2:
Zhang Chen traveled through time and found that the vixen next door was repaying his kindness, but why did you carry my rice and noodles to repay his kindness?