Seek the three artifacts in Detective Conan and the words engraved on the adventures of the strange house.

Eight mirrors (ヤタノカガミ): One mirror is now dedicated to the Ise Shrine in Ise City, Mie Prefecture.

(ァメノムクモノツルギ): Tiancong Yun Jian, also known as the "razor", originated from the legendary sword of creation, and he killed the "Eight Banners Serpent". It is now enshrined in the Hotan Shrine in Hotan District, Nagoya City.

Eight-foot vault jade (ヤサカニノマガタママ): also known as "eight-foot vault jade") is a kind of jade pendant with the shape of sharp pepper. Now it is enshrined in the palace in Tokyo.