In particular, TAIRA no Masakado has been regarded as an Ubusunagami (guardian deity of one's birthplace) that protects Tokyo, but it is at the same time a typical Tatari-gami that places many curses, which is known as Tradition of head tumulus of TAIRA no Masakado.
ことに平将門は東京を守る産土神であると同時に、平将門の首塚伝承で知られる数々の祟りをなす典型的な祟り神である。