C569 Li Chenggang Li Nan

The commander of the east defense line was Li Chenggang, Li Tianyi's eldest son.

Li Chenggang was a firm and decisive man, and was recognized as the next candidate to succeed him in the territory.

The one who came along with Li Chenggang was Li Tianyi's second son, Li Nan.

Li Nan was quite knowledgeable about military formations, but because of Li Chenggang's existence