"These little buckets..." Ye Kong came up curiously and picked up a small black bucket.

from the outside, the bucket looks like it's made of black metal, but it feels light when it's in hand.

"what kind of material is this?" Nangong Yu and they also picked up one, feeling very curious.

"cut it Ye Kong takes out Park yuan's sword and cuts the surface of the bucket with the tip of the sword. After cutting, he finds that the inside of the bucket is a very common wood, which is covered with a black oil film.

Ye Kong tears the oil film, and then uses the sword tip of...