The medicinal materials of the thirteen people refer to a group of people in southern Chu.

"there are fewer herbs, but they are heavier."

"is Chunan..."

"calm down, concentrate, refine!"

the leader of the group was six characters, thirteen of them were speechless, and they tried their best to operate the "heaven and earth tripod". Chu Nan was still pondering the problem that the internal world became a small world. This ponder did not know the time and years, and he was totally immersed in it.

until Chu Nan felt that there was heat coming from him, Chu Nan returned to his mind, put aside the problems of the world...