A large detachment then moved to the northwest, and in the major battle of the campaign they defeated the Northern Chanyu at the Altai Mountains and pursued him westwards.
Sebuah detasemen besar kemudian pindah ke barat laut, dan dalam pertempuran besar kampanye mereka mengalahkan Chanyu Utara di Pegunungan Altai dan mengejarnya ke arah barat.