San Hoheki, who was plotting to take all the credit generated in the battle for himself, made the troops take action without permission of Joshi KOKUSHI in order to pursue the East Tokketsu army, but he was thoroughly defeated by the enemy.
しかし、爨宝璧は戦功を独り占めしようと考え、黒歯常之に無断で独自に兵を動かし、東突厥を追撃したが大敗した。