When I Was an Agent in the Western Han Dynasty, I Was Appointed by Lord Ling

"In the nine-story Yuan Pagoda, one level is a discipline. Qualified embroidery messengers must improve their skills and pass each level no matter what hardships they go through," the teaching aunt warned. The first level of Yuan Pagoda is manual work, the second level is arithmetic, the third level is instant memory and instant vision, the fourth level is secret language and decoding, the fifth level is wilderness and animal training, the sixth level is a test of mind and concentration, the seventh level is martial arts and fighting, the eighth level is a beauty trap, and the ninth level is military strategy...