C1265 Symbol technique inheritance(part ii)

The old man with broken thoughts slowly explained the general information on Symbol Techniques to Chen Yu, who was also listening intently with perked ears:

"The eight realms are named after the Eight Trigrams: Gan, Kan, Gen, Zhen, Xun, Li, Kun, and Ying …"

Chen Yu digested a bit before memorizing the information regarding the Rune that the old man had given him