Kyūbi no Kitsune, or the Nine-Tailed Fox, is a mythical creature from Japanese folklore. It is a type of kitsune, which are foxes believed to possess magical abilities. The Kyūbi no Kitsune is particularly powerful, known for its ability to shape-shift into a beautiful woman and its mastery of fire. In legends, the Kyūbi no Kitsune can live for thousands of years, gaining wisdom and strength with age. It is often depicted as a guardian spirit, but it can also be a trickster, causing mischief or harm to those who disrespect it.