The Go-Shin Tai (also called the
Yasakani) are basically the
crown jewels of the
Japanese Empire. They were give to the first Japanese emperor
Jimmu by
Amaterasu. Included in the
jewels is the star-mirror "
Yata-Kagamina" and the
sword which
Susanoo found inside a
dragon. The jewels are kept in the
royal shrine at
Ise.