Sōryūha

is the signature move of Sesshōmaru's Tōkijin and Tenseiga. A powerful burst of yōki is released and takes the form of a dragon. It draws its energy directly from Sesshōmaru, and varies in strength. It is even capable of overcoming the Tessaiga's Bakuryūha.

Towa Higurashi was able to use this move by enhancing her own demonic energy from the silver Rainbow Pearl to form an energy blade on a Replica of Kikujūmonji after it had broken. By harnessing her full demonic powers to their highest, she also able to unleashed both dragon wave after witnessing the death of Setsuna by the hands of Lord Kirinmaru. The Beast King named it Twin Sōryūha (Twin Azure Dragon Wave).

Season Four

 * The Panther Demon and the Two Swords of the Fang
 * Vanishing Point; Naraku Disappears!
 * Swords of an Honorable Ruler

Season Five

 * The Deadly Poison User, Mukotsu

Season Six

 * Final Battle at the Graveside: Inuyasha VS. Sesshomaru!
 * Forever With Lord Sesshomaru
 * Fire on the Mystic island

Season Seven: the Final Act

 * Naraku's Heart (final use)

Season One

 * The Gateway to the Past (first time)
 * The Dream-Gazing Trap
 * Night of the New Moon and the Black-Haired Towa
 * The One Behind the Forest Fire
 * Trap of the Two Perils
 * Sesshomaru and Kirinmaru
 * Secret of the Rainbow Pearls
 * The Three Princesses Strike Back
 * Sesshomaru's Daughter

Season Two

 * TBD



Season One

 * Sesshomaru's Daughter (first time)

Season Two

 * TBD

Trivia

 * Sōryūha is not shown in the manga.
 * It is also used in the two PlayStation 2 games: The Secret of the Cursed Mask and Feudal Combat.
 * In the third movie, Swords of an Honorable Ruler, Sesshōmaru is shown using Sōryūha with Tenseiga.
 * In Episode 2 of InuYasha The Final Act, Sesshōmaru calls this technique "Azure Dragon Wave."
 * In Episode 8 of Hanyō no Yashahime, Riku stated that Towa must use the demon energy blade by the "Azure Dragon Wave" to defeat Kyūki.