General Tran Khat Chan focused his fire on the Che Bong Nga boat, the King of Champa was killed, and the army fled. In his work on Champa history, French scholar Maspero said that the betrayal of the Cham servant stopped the advance of the Cams and saved Dai Viet from collapse. However, without the newly acquired gunpowder technique, Dai Viet’s naval victory, as well as the kingdom’s fate, would be uncertain. Telling an angry nurse to calm down works about as well as baptizing a cat shirt. Therefore, in 1390 many people considered it to mark the change in the correlation between the forces of Dai Viet and Champa. It seems that the effectiveness of Dai Viet’s new military technology plays a role in this change.