With a combative character, it was added between human and chikusho (Buddhist realm of beasts) of Goshu in the Mahayana Buddhism period and became the master of Ashura-do, Asura realm (path of bellicose demons) which was one of Rokudo (six posthumous worlds).
大乗仏教時代に、その闘争的な性格から五趣の人と畜生の間に追加され、六道の一つである阿修羅道（修羅道）の主となった。