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Foolish woman... This is your reward for releasing me. I am allowing you to die at the hands of the man you love. Even though he is merely a puppet of the Hellspawn Lord, Aomizuchi!
~ Hiruko who finally summoned Aomizuchi with the sacrificed souls of Moritsune and Ageha.

Aomizuchi (in Japanese: 蒼蛟龍) is one of the four Hellspawn Lords and a villain in the 2002 videogame Shinobi. Initially he appears a white haired Ninja that relentlessly pursues Hotsuma throughout his sojourn of vengeance. It is later revealed that he is a demonic dragon and one of the Four Pillars; Hellspawn Lords summoned by the sorcerer Hiruko Ubusuna to wreak havoc, and that he is possessing the body of Hotsuma's deceased brother. Initially he appears a white haired Ninja that relentlessly pursues Hotsuma throughout his sojourn of vengeance. It is later revealed that he is a demonic dragon and one of the Four Pillars; Hellspawn Lords summoned by the sorcerer Hiruko Ubusuna to wreak havoc, and that he is possessing the body of Hotsuma's deceased brother. He is the perpetrator of the killings of the Oboro and the destruction of the Oboro Village.


Initially, Aomizuchi appears a mysterious ninja with white hair and white ninja armor, his face concealed by a white helmet with a visor of four red glowing eyes. His true form is a demonic jade-green dragon, though a partial form of his true self is revealed when he mutated the possessed Moritsune. On his neck is a vicious scar that glows crimson whenever Akujiki was near.


A loyal and devoted servant of Hiruko, Aomizuchi works in shadow to ensure his lord and master's will is done. After being summoned, he possessed the body of Moritsune, making it appear that the wicked mage was honoring his promise to Ageha, and in a single night, he viciously slaughtered the Oboro clan and placed Hiruko's spells on them, turning them into his subordinates. He is also sadistic, in that he taunted Hotsuma with Kobushi slowly dying at Kumano Shrine, implying it was he who killed him. Sometimes if the player loses he will laugh out maniacally.


Aomizuchi, the Green Dragon of Thunder, is one of the Four Pillars; powerful Hellspawn demons that serve and obey Hiruko Ubusuna. Together with Hiruko they were defeated and sealed by the Oboro clan's main household 72 years prior.

After 72 years, Hiruko was set free, and summoned Aomizuchi. Using his demonic might, he singlehandedly destroyed the city of Tokyo. From there, he took over the body of the deceased Moritsune, and under the guise of a dark shinobi clad in white armor, he slaughtered the Oboro village down to the last man, woman, and child. As Hiruko enslaved their soulless bodies and manipulated their Yin, the Oboro clan fell under Hiruko's absolute control, Aomizuchi reports their success in the destruction of the Oboro.

Under Hiruko's orders, he pursues Hotsuma, obstructing his path every chance he has and summons the reanimated Oboro ninjas to do his bidding and kill Hotsuma. Hotsuma meets Aomizuchi face to face, greatly worried that the Oboro's killer was in fact someone he knew long ago. Aomizuchi declares that once he kills Hotsuma, the Oboro bloodline is completely wiped out. To add insult to injury, he gloats about Kobushi slowly dying on the steps of Kumano Shrine. No sooner did he state this that Akujiki reacted, and the gruesome cut across his neck and collar bone shone a bright crimson. Stating his pain and suffering, Aomizuchi lunged at Hotsuma.

As Hotsuma and Aomizuchi battled for the first time, Aomizuchi deliberately allows Hotsuma to cut him and grabs Akujiki's blade, allowing his evil blood to wake the demon sword from its prolonged torpor. After this he would continue to relentlessly pursue Hotsuma. It is not until after they meet for the fourth time that Aomizuchi is revealed to be none other than Moritsune, or so Hotsuma initially thought.

It was when the sorcerer appeared at Kan'Ei Shrine that Aomizuchi's true colors are revealed. As Ageha goes to Hiruko to see if Moritsune is alive again, she sees her beloved, unaware that this was not the man she loved. She died at the hands of the cursed Moritsune whose body was then mutated and warped into the demonic possessor's true form. Aomizuchi covers for Hiruko's escape to the Golden Palace, and draws his evil powered blades against the enraged Hotsuma.

Despite using his powers and the strength and speed of Moritsune's body to kill him, Hotsuma won the fight. Impaling the demon with the Akujiki, Aomizuchi cries in pain as the demon blade slowly devours his vile essence whole, allowing Moritsune to reclaim his body.

Powers and Abilities

As the Hellspawn Lord of the Heavens, Aomizuchi is an extremely powerful demon who commands lightning. Through the entirety of the game, Aomizuchi fights using Moritsune's corpse. It was with his evil power that he destroyed Tokyo, slaughtered the Oboro, and enslaved them to serve Hiruko.

In his first bout with Hotsuma, his attacks are simplistic in nature, attacking solely with a thrust attack that he winds up, surrounded by a blue cone of energy similar to Hotsuma's Special Attack. He occasionally counters with a two hit slash when successfully blocking attacks. If he falls off the arena, he simply warps back from the air, landing with a field of energy that paralyzes the player if approached.

Upon having his full power restored, Aomizuchi exhibits the full of extent of his abilities and Moritsune's. The shinobi's swords are now wreathed in a green ethereal flame to enhance their cutting power. His fighting style is identical to Hotsuma's, employing the use of the Stealth Dash, the Shuriken Burst, and his deadly Ninjutsu, Rairyu (朧流奥義「雷竜」Oboro Style Secret Technique "Thunder Dragon"), which is a green version of the Ka'en spell with devastating damage. His kunai in particular are slightly more powerful and explode when in near proximity of the player as well his own version of Hotsuma's charge attack, signaled by the image of a dragon before he strikes. To aid him, he is able to summon small dragon-like creatures called Mizuchi that will try to tackle the player if near.

Techniques and Skills

  • 朧流剣術 Oboro-ryu Kenjutsu- Aomizuchi uses the skills Moritsune knew in life, such as mastery of the Oboro style swordsmanship. To further its deadliness, the blades of each katana are wreathed in an eerie green flame, adding to the destructive force.
  • 八双手裏剣Hassou Shuriken- In his revealed state Aomizuchi has access to the Oboro's Shuriken Burst attack.
  • 朧流剣術「龍牙」Oboro-ryu Kenjutsu "Ryuga"- A move identical to Hotsuma's Special Attack, Aomizuchi charges his power until a dragon image flashes and he attacks with a powerful thrust.
  • 朧流奥義「雷龍」Oboro-ryu Ougi "Rairyu"- Aomizuchi's most deadly attack, he thrusts his blades into the ground releasing a powerful green explosion that if exposed to can take out a significant amount of health.



  • Aomizuchi's name contains the kanji 蒼(blue) and 蛟龍 (mizuchi) which is a dragon like Japanese mythological beast that is said to ascend to the heavens through rain.
  • Aomizuchi, like the other Four Pillars/Hellspawn Lords, is based on the Four Gods of Onmyodo lore.
  • Aomizuchi is a demonic perversion of the Four Gods' Qinglong (in Japanese: Seiryu), the Azure Dragon of the East.
  • Prior to the start of the game, Aomizuchi possessed Moritsune's corpse and manipulated it as a vessel form himself to act on Hiruko's behalf.
  • Joe Musashi shares some of his quotes in Nightshade such as "Let your hatred flow!". However, as these are Aomizuchi's lines showing the evil ninja's nature, it is very uncharacteristic of the super ninja.
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