Yi Shang

Yin Shang is a vassal to Ma Zun. A Prefect of Tian Shui, he joined his lord in his escape to Hu and later joins Shu when Jiang Wei surrenders.

Role in Games
In Dynasty Warriors 4, Yi Shang's only appearance is at Tian Shui. He stands guard with Liang Xu ready to protect Ma Zun from anyone heading towards castle. Once Jiang Wei is convinced by Zhuge Liang to join him as his pupil, he sends an agent to get Yi Shang and Liang Xu to betray Ma Zun.