"The source of a Yinbuke's power. A power found deep within, that should only be used in times of need, not desire."
Reikioshi (霊圧, Aura Force) is the physical force/pressure that a person’s Spiritual Energy creates when released. Most Yinbuke and Decorrare, even Animals can manipulate the release of their Reikoishi. This force can put pressure on the opponent, and if strong enough, can even subdue an opponent.