Jiao Yi

Jiao Yi is a subordinate of Zhuge Dan. He joined his lord in the rebellion at Shouchun, but was nearly killed for suggesting a concentrated attack to a single flank. In response to the attempt, he and Jiang Ban defected to back to Wei.

Dynasty Warriors
In Dynasty Warriors 7, Jiao Yi will be present beside his lord at Dongxing, and at Shouchun. When his lord rebels, Jiao Yi will leap out of the castle to attack Sima Zhao's forces in the first part of the battle. When Zhong Hui breaks word that Zhu Yi is executed, Jiao Yi will defect if damaged enough.

In Dynasty Warriors 8, Jiao Yi will be in the final room with Zhuge Dan, and will not defect.

Quotes

 * "The heavens favor Wei. I will lay down my weapon"

Historical Information
Jiao Yi joined his lord when he rebelled at Shouchun in 257. As the rebellion wore on, and supplies plummeted, Jiao Yi and Jiang Ban suggested that they concentrate an attack through one of Shouchun's gates to break the siege. Wen Qin, who still did not know that Sun Chen had already withdrawn, advised against doing so, thinking that Wu reinforcements would eventually arrive.

After the refusal of their tactic, Jiao and Jiang overheard Zhuge Dan stating that he was tempted to kill the two. Fearing for their lives, the two men took their troops, and surrendered to Sima Zhao.