Fuujin Sword

Fuujin Sword (風神剣 Fuujin Ken) The sword of Fuujin, the God of Wind (also referred to as "The Devil of Wind), an ancient heirloom of the Onimaru family, kept in a dungeon under Onimaru's home. It has a long, single-edged blade with an oval, oblong guard and striped handle. There's a blue orb in the middle of the hilt. There's also a secret writing on the blade which can only be seen under moonlight. Thanks to this sword, Takeshi merged with Fuujin and became a Oni. He kept the blade as his weapon of choice during most of the series, and even though it was snapped in half during the Onimaru's Fortress Arc it was repaired. He eventually gave the sword to Yaiba during the Kaguya arc.

TechniquesEditar sección
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 * Fuujin Ha (風神波 Wind God Wave) First used by Onimaru to defeat Yaiba on the school grounds, consist in a blast of wind shot from the sword's tip. It was named during the battle against Yaiba at the fortress.
 * Wind Blade: A variation of the Fuujin Ha and Onimaru's most common attack: a crescent shaped bullet of air capable of slashing through buildings.
 * Tatsumaki Giri: (竜巻斬り Tornado Slash) Onimaru's trump card, developed under Kanabo's advice. Onimaru extends the arm holding the sword of Fuujin and spins on himself as he release more and more energy, creating a huge tornado which he then throws at his enemy like a drilling beam of energy.When first used was powerful enough to perforate Mount Fuji and rise as far


 * Furaijinha (風雷神波 Thunder-Wind Gods Wave) A powerful combined attack powerful enough to pierce through a whole galaxy, it requires the combined energy of both the Raijin and Fujin Orbs to work. It was first used by Yaiba and Onimaru to defeat Gekko.
 * Yoko Ichimonji: A iaido technique which delivers and incredibly fast slash at the enemy with razor-sharp air, aimed at a vital spot. Onimaru first used this technique while fighting Yaiba on the Yamata no Orochi.
 * Tojin (闘刃 Battle Sword): An illusionary technique, in which the user summons his fighting spirit in the form of a flurry of invisible but discernable blades which distracts the enemy.