Tenka-Goken 天下五剣 "The Five Swords Under Heaven"
A group of five famous swords, considered by some to be the best five swords in Japan's history. They are the Dōjigiri, the Juzumaru, the Mikazuki, the Onimaru, and the Ōtenta.
Dōjigiri 童子切, lit: "Slayer of Shuten-dōji." A national treasure owned by the Tōkyō National Museum. Said to have been used by Minamoto Yorimitsu to kill Shuten-dōji (酒呑童子), a mythical oni (demon)
Juzumaru 数珠丸, lit: "Rosary"
Mikazuki 三日月, lit: "Crescent Moon"
Onimaru 鬼丸, lit: "Demon"
Ōdenta 大典太, lit: "Great Denta"
Ame-no-murakumo-no-Tsurugi, 天叢雲剣, “Sword of the Gathering Cloud of Heaven.”
One of the Three Imperial Regalia. Is was retrieved by Susanoo from the fourth tail of the Yamata no Orochi monster. Somehow it came into the possession of the founder and High Priestess of the Ise Grand shrine, Yamato-hime-no-Mikoto. She was the daughter of the eleventh Emperor, Suinin, and hence Yamato-Takeru’s aunt. Prior to his setting out on a mission to subdue the Emishi, Yamato-hime-no-Mikoto gave her nephew a package containing two items. One was the Ame-no-murakumo-no-Tsurugi and Yamato Takeru used this to save his life when he was lured onto a deserted moor and encircled by burning grass. After this the sword was known as Kusanagi-no-Tsurugi
Ame-no-ohabari, 天之尾羽張, also known as Itsu-no-ohabari, 伊都之尾羽張. The sword with which Izanami killed his son Hinoyagihaya-o-kami, the God of Fire.
Inyomaru Ōdachi sword 陰陽丸大太刀: The shrine treasure of the Atsuta Jinja in Tōkyō's Taito-ku
Ōhakari, 大量, "Great Blade Mower," also known as Kamido-no-Tsurugi, 神度剣, "Divine Keen Sabre"
The sword used by Ajishikitaka-hikone-kami (88A), to cut down the mourning house for Ama-waka-hiko in anger at being mistaken for him.
Kabuchi-no-taichi 頭椎の大刀, Large mallet-headed sword. A type of sword probably used more for decorative than practical use. Dates to the late 6th - 7th centuries.
9寸5分の剱: a short sword with a 29.5cm-long blade.
Ōdachi sword 大太刀: generic name for a large sword usually carried slung across the bank. Minimum blade length was 3 shaku, and there were usually religious inscriptions on the handle.
Tokatsu-no-tsurugi 十掬剣. "Ten scoop sword," A generic name used for the swords appearing in the Kiki.