The public sympathy for Yoshitsune or the underdog (Hogan-biiki) in the later times created a legend of immortality called the legend of MINAMOTO no Yoshitsune northern refuge, which insists that Yoshitsune did not die at Koromogawa, but escaped from Oshu to the far north.
後世の人々の判官贔屓の心情は、義経は衣川で死んでおらず、奥州からさらに北に逃げたのだという不死伝説を生み出した。