In Notes on China from Ancient Times to Today (written in the Ming dynasty, 1368-1644) there is a chapter on sabers and swords, where it is written: "The Great Emperor of Wu [who ascended the throne in AD 222] had six bao jian, called White Snake, Purple Lightning, Banisher of Evil, Star Rider, Qing Ming, and Baili."
明朝時期的《中華古今注》一書，其中的刀劍篇曾記載：「吳大帝有寶劍六：其一曰白蛇、二曰紫電、三曰避邪、四曰奔星、五曰青冥、六曰百里。」