C21 Just a low-grade spirit crystal would do

Go, get me the money? He was still short of two hundred gold coins! Lu Wutian waved his hand and told Wan Chao to find the money, but before doing so, he raised his eyebrows and sneered at Lu Chen.

That expression was clearly telling Lu Chen that he was rich!

Lu Chen raised his eyebrows and sneered, he thought, wait, sooner or later I will be richer than you, hmph! At that time