Of greater consequence was his role in the downfall of the supreme commander Zhang Jing .
When his own forces were forced to retreat at Taozhai , Zhao placed the blame for his own failure on Cao , and was able to have him arrested and exiled .
Of greater consequence was Zhao 's role in the downfall of the supreme commander Zhang Jing .
When his own forces were forced to retreat at Taozhai , Zhao placed the blame for his own failure on Cao , and was able to have him arrested and exiled .