天津甕星

Amatsu Mikaboshi is the God of Stars who have gifted two stellar-demon swords of light and shadow, Zanseiken and Bakuseiken, to Earth in Nara Japan, later the two swords wielded by qilin daiyōkai Kirinmaru, who rules in the Eastern Lands, and his daughter Rion, in episode "The Girl Named Rion" of Yashahime: Princess Half-Demon. He is also known as the God of Choas that he's loyal to the Grim Comet and its true form: the Grim Butterfly. In episode "The Collapse of the Windmill of Time", Sesshōmaru's mother mentioned that the Zanseiken is the Sword of Amatsumikaboshi that her granddaughter Towa is wielding while they fighting Meidomaru. In episode "Father and Daughter", after Setsuna severed the red thread of fate between Rion and Kirinmaru the second time for their death, the two swords have been merged to become the Sword of Amatsumikaboshi as their souls are being sent inside as it sent back to heaven as the Grim Butterfly is destroyed.