```
This heart was filled with Extreme Cold Power, which Huang Yi couldn't use right now; he needed Dugu Lengcang's help.
Last time, at Tiantai City Auction House, Dugu Lengcang purchased a strange metallic block with four Holy Crystal Stones, which could emit Extreme Heat Power, perfect for dispelling the heart's Extreme Cold Power. Moreover, there was a peculiar creature sealed within the metallic block, and he could use the Heart of the Sand Thief King to probe what kind of changes would occur to that creature.
"Let's go, next, we head to another underground palace, my incarnation has already arrived there," Huang Yi said to Overlord, and then turned to leave the underground palace.
...
At the same time, Black Serpent was also progressing through the scorching Desolate Sands, searching for the remaining hearts of the Sand Thief King. He and Huang Yi were unknowingly competing with each other, but neither was aware of the other's existence.
