adagumo no yaorochi
The "Descendant of Orochi". Stage 6 boss of Earthen Miraculous Sword and later a recurring playable character.
An androgynous orochi and a fragment of Yamata no Orochi's corpse. Yaorochi is simpleminded, violent, quick to anger and obsessed with the sword Tasouken. They're hostile towards humans and look down on them, but if they have to cooperate with them, they acquiesce. In speech, they speak with an archaic Japanese language, all the while using a belligerent and haughty tone.
Has the power to cut down clouds and, being born from Yamata no Orochi's arm, and also has natural swordsmanship skills. They're also Adagumo no Saragimaru's older sibling, but they're too obsessed with the Tasouken sword to care about them.
They are frequently called "Orochin" by those around them, most notably by Katano Sukune.