Worried about it, Yoritomo appointed Yoshitsune for the duty, judging that the short decisive battle could be inevitable, and Yoshitsune responded it with success by organizing the warriors in western Japan and destroyed the Taira clan in the battles of Yashima and Dannoura.
これに危機感を抱いた頼朝は、短期決戦もやむなしと判断し義経を起用、義経は見事にこれに応え、西国武士を組織し、屋島・壇ノ浦の合戦で平氏を滅亡に追い込んだ。