Clear Yue Ying's Musou Mode. See "Zhao Yun", above, for details.
1 - Chang Ban: Liu Bei must reach the escape point, but he won't move until the boats arrive. You can wait for him, or wait until Cao Cao shows up and defeat him instead.
2 - Conquest of Nan Zhong
3 - Tian Shui: Defeat Jiang Wei last to open the northern castle gates.
4 - Chen Cang
5 - Wu Zhang Plains