618 Mighty Little Gu

So many things had gone wrong in Nanzhao. It was time for a ritual to appease the people.

The people of Nanzhao had more faith than the people of the Central Plains. They seemed to be too blind and obedient in some things, but from another angle, it also had its unique advantage.

Yu Wan had not been out for a few days. She had been helping Grandma study the engraving technique. The booklet recorded the oldest engraving technique. Many materials could not be found now, so they could only use other things to replace them.

They tried many times, but they all failed. It was not until this morning that Yu Wan accidentally dripped the cinnabar on her fingertip and the quality of the water changed.

"Grandma, look." Yu Wan handed the water that had suddenly become thick to the old man.

The old man picked up the bowl and sniffed it. He nodded and said, "A brush."