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The Yōki (妖気, "Demonic Energy") is the energy and power utilized by yōkai. In the series a demon's yōki acts as the source of their power. Throughout the series, demons have been shown to manifest their yōki in the form of energy attacks, channeling it through the bodies to increase their physical aspects, such as Inuyasha channeling his into his claws, or their weapons, such as Inuyasha and Sesshōmaru channeling their yōki into their sword to unleash powerful attacks, and by releasing it in the form of their jaki for varying effects. The energy can also take the form of certain elements such as fire and light.

Yōki is also known to be very dangerous, able to corrupt or outright destroy weaker beings.

Physical Augmentation Edit

Demos are able to use their yōki to greatly increase their physical prowess. An example this includes Inuyasha's Sankon Tessō to increase the strength and attack range of his claws.

Constructs Edit

In some cases yōki can be used to create certain constructs. Examples of this include Inuyasha's Hijin Kessō, Sesshōmaru's Light Whip, and Naraku's barrier.

Elements Edit

A demon's yōki can be channeled into the form of various elements. An example includes Sesshōmaru being able to channel his yōki into lightning through his Tōkijin to unleash his Sōryūha. In some cases for those already possessing elemental abilities, their yōki can be used to make them more potent, much like how Naraku is able to channel his jaki through his miasma.

Kenatsu Edit

Kenatsu (剣圧, "Sword Pressure") is an ability mostly possessed by yōkai swords. When yōki is channeled into the sword, the user is able to strike their enemies without the blade making physical contact.

  • Slashes: The most common form of Kenatsu of which users of yōkai swords project the yōki in the form of slashes.
  • Needles: This was a special case for Sesshōmaru when he wielded Tōkijin. He was able to project powerful energy needless when he needed to dispose of lesser demons.
  • Yōki Wave: When users become proficient enough with Kenatsu they are able to unleash in the form of devastating waves of demonic energy, such as the Kaze no Kizu, to slay countless demons.

YōketsuEdit

Yōketsu (妖穴, "Vortex of demonic energy") is the visual manifestation of demonic energy in the form of a whirlpool that appears behind a yōkai and is visible to just a few. This vortex can be cut and its effect is an instant-kill upon the demon whose yōketsu is being cut; Inuyasha's Dragon-scaled Tessaiga had this ability.

See Also Edit

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