This water pump cost him 7,000 dragon-slaying coins, and an iron dragon cannon was only 5,000 dragon-slaying coins. If he didn't change a few more, it would be a big loss.

"What! Oh, what an angry old man!"

Ning Qi was relieved when Mengdulu yelled and danced. He was right. Although this old guy looked frizzy, he was not a bad person.