Han Sui

Han Sui is Ma Teng's sworn brother and an officer who served under Ma Chao.

Role in Games
In the Dynasty Warriors series, he will support Ma Chao at the Battle of Tong Gate. During the battle, he is usually persuaded by Cao Cao to defect. Depending on the game, his surrender can be prevented by the player. When he defects, most of the other generals under Ma Chao may follow his example or abandon the field and retreat.

Historical Information
Historically, he stayed loyal to Ma Chao and died fighting Wei.

Romance of the Three Kingdoms
In the novel, he was tricked into surrendering to Cao Cao and betrays Ma Chao.