Those who use a Sacred Armory weapon may be possessed and transformed into its Kenbumajin.
The Sacred Armory have the ability to change their shapes, like shrinking down to small, knife-like sizes.
Due to their incredible power, most of the Sacred Armory have been sealed away since ancient times, only to be unsealed in times where their power might be needed to overcome great threats.
The Fudou Raimeiken is an item obtainable via QR Code in the game, which can only be equipped to Fudou Myouou.
Similar to the anime, the Sacred Armory actually awoke Overseer's full power when gathered together.
In the Shadowside series, Haruya Sakami's goal is to collect all five of the Sacred Armory, which is supposed to awaken the full power of "the Princess" he is looking for. However, it later turns out that the Sacred Armory actually awoke Overseer's full power when gathered together.
Known Sacred Armory
|Fudou Raimeiken (Japanese: フドウ雷鳴剣 Fudō Raimeiken)|
A dark blue Sacred Armory weapon with a golden edge and triangular cross guard with a two-horned oni with fins on both side of it's head. The very thin oval part at the top of the cross guard has four small orbs in a straight vertical line from blue at the bottom to yellow, green and ending with red. Fudou Myouou is its Kenbumajin.
The Fudou Raimeiken is known to have been sealed away by the Enma Clan for generations, due to Fudou Myouou's uncontrollable power.
In the Shadowside series, Touma continues to use this occasionally to win battles, like in episode 5 and episode 10. It's stolen by Haruya in episode 12, but recovered later in episode 14. In said episode, Fukurou stabs himself in the wrist with it, turning himself into Fudou Myouou Ja.
This Sacred Armory weapon was the first ever revealed.
In the anime, and when playing with the toys, the chant is: (Japanese: 雷轟電撃！ フドウ雷鳴剣 Raigō Dengeki! Fudō Raimeiken) with Rock music.
|Suzaku Soutenzan (Japanese: スザク蒼天斬 Suzaku Sōtenzan)|
A purple Sacred Armory weapon, it has a pinkish purple and gold coloration with a phoenix-based pattern on its handle, with pink spots in between the two phoenixes on the cross guard and each has one wing on both sides of the sword. What appears to be a pink gemstone can be seen on the handle, and can be split in two pieces and be used as twin blades. Its Kenbumajin is Suzaku.
In episode 13, after the Fudou Raimeiken has been stolen by Haruya, Touma and the others set out to find this one. However, Suzaku no longer has it, and thus doesn't appear in the form of a Kenbumajin, but a Genjuu instead.
Its whereabouts were unknown, but was later found in episode 21.
In the anime, and when playing with the toys, the chant is: (Japanese: 百花繚乱 スザク蒼天斬 Hyakkaryōran Suzaku Sōtenzan) with traditional Japan music.
|Ashura Gouenmaru (Japanese: アシュラ豪炎丸 Ashura Gōen-maru)|
A red Sacred Armory weapon, the sword itself is golden in appearance, with a red blade with gold trims and about one inch wider than the other sword Sacred Armory, with a triple faced oni face with rounded ruby set above the head within its hilt. Its gold fiery hand guards point sideways. The blade has a mirror-like, polished appearance compared to the hilt. There are eight red tines along its blade, and they range from simple outward pointing spikes to ones which have a slight outward curve to them, similar to a fiery pattern. its Kenbumajin is Ashura.
The whereabouts of its true owner were unknown. However concerning what happened in the 5th movie, it's possible that the Ashura Goenmaru is Ashura himself, and then is confirmed to be true in episode 45 when Haruya finally gives Touma the Ashura Goenmaru after losing a battle between the two.
In the anime, and when playing with the toys, the chant is: (Japanese: 気炎万丈 アシュラ豪炎丸 Kienbanjō Ashura Gōenmaru) with normal music.
|Genbu Hotenfu (Japanese: ゲンブ法天斧 Genbu Hōtenfu)|
A green Sacred Armory weapon that can double as an axe. The axe has a 6-foot long straight black hexagon patterned handle with a green emerald gem on the pommel, and what appears to be a golden snake coiled from the middle to the head. The axe head for each weapon has a rather standard shape for an axe head, though the toe and heel extend outward in a smooth curve. The axe head is gold with turtle shell shape and four red, green, yellow, and blue small orbs on equal sides, while the blade is golden. Also, on the top handle sticking out of the axe heads' middle is an emerald crystal. It's Kenbumajin is Genbu.
In the anime, and when playing with the toys, the chant is: (Japanese: 明鏡止水 ゲンブ法典斧 Meikyōshisui Genbu Hōtenfu) with dance music
|Byakko Daireisou (Japanese: ビャッコ大霊槍 Byakko Daireisou)|
A light blue Sacred Armory weapon that doubles as a Karigata Yari, a light blue bladed yari with two side gold blades pointing down flat polished with a tiger in the middle with gold fur flaring upwards on both sides while the bottom tip has a light blue diamond in the middle. It's Kenbumajin is Byakko
In episode 45, the Yo-kai Detective Team travel to Reiken Forest and only Touma and Haruya are able to enter Byakko's lair, where they battle Byakko and receive the Byakko Daireisou.
In the anime, and when playing with the toys, the chant is: (Japanese: 疾風迅雷 ビャッコ大霊槍 Shippūjinrai Byakko Daireisou) with Jazz music.
In Real Life
After its debut in the anime, real-life replicas of the Fudou Raimeiken started being released in Japan, with the remaining Sacred Armory weapons starting to follow.
|DX Fudou Raimeiken, large toy replica of the Fudou Raimeiken. Released on December 9, 2017 in Japan.|
|Small toy replica of the Fudou Raimeiken. Released on December 9, 2017 in Japan, as part of a set together with the DX Yo-kai Watch Ogre, and is compatible with it.|
|Small toy replica of the Fudou Raimeiken Ver. Fudou Myouou: Heaven. Compatible with the DX Yo-kai Watch Ogre. Release on August 25, 2018 in Japan, as part of a set with the DX Sacred Armory Holder.|
|Small toy replica of the Suzaku Soutenzan. Compatible with the DX Yo-kai Watch Ogre. Released on August 25, 2018 in Japan, together with the Yo-kai Keystone for Kosen Kyubi.|
|Small toy replica of the Genbu Hotenfu. Compatible with the DX Yo-kai Watch Ogre. Released on November 3, 2018 in Japan, together with the Yo-kai Keystone for Sakigake Merameraion.|
|Small toy replica of the Ashura Gouenmaru. Compatible with the DX Yo-kai Watch Ogre. Released on December 8, 2018 in Japan, together with the Yo-kai Keystone for Sekka Fubuki-hime.|
|Small toy replica of the Byakko Daireisou. Compatible with the DX Yo-kai Watch Ogre. Released on February 23, 2019 in Japan, together with the Yo-kai Keystone for Hakuryu Orochi.|
|Small toy replica of the Enma Blade and Jaou Ken. Compatible with the DX Yo-kai Watch Ogre. Released on July 27, 2019 in Japan.|
|Small toy replica of the Golden Fudou Raimeiken. Compatible with the DX Yo-kai Watch Ogre. Released on December 7, 2019 in Japan, together with the Y Medal for Fudou Myouou.|
- As of episode 45, Touma Tsukinami is in possession of all the Sacred Armory weapons. In episode 49, Touma gives the Ashura Gouenmaru back to Shutendoji.
- It was unknown as to how the Sacred Armory were essential to Shuka's Awakening. However in episode 45, the mural depicting the role of the Sacred Armory in Shuka's awakening was actually a corruption done by Overseer. Later in the following episode, it turns out that gathering the Sacred Armory awakens Overseer's true power.
- When inserting the Enma Blade & Jaou Ken Sacred Armory weapons from the DX Yami Enma Agito to the DX Yo-kai Watch Orge, their chant is: