Muto-shin's brother, Konjin, became Kotan-daio (or Konjin) of Yasha-koku Country, and Muto-shin changed into Gozu-tenno, 'a giant of about 2.27 meters; a prince with the head of a cow,' and triggered a war against Kotan-daio.
武塔神の弟の金神は、夜叉国の巨旦大王（金神）になり、武塔神は「身の丈七尺五寸の大男・牛頭をした太子」牛頭天王へと変化し、巨旦大王と戦争まで起こしている。