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.

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."