Lê Chiêu Thống
During Nguyễn Huệ's absence, northern Vietnam fell into chaos again. The regime of Trịnh lord restored. Lê Chiêu Thống could not control the situation, he asked for assistance from Nguyễn Hữu Chỉnh. Though Trịnh Bồng was banished from Thăng Long, Chỉnh became the new regent just like Trịnh lords before. After learning about actions of Chỉnh, an army under Vũ Văn Nhậm was sent by Huệ to attack Thăng Long. Chỉnh was swiftly defeated and fled together with Lê Chiêu Thống.