Ghost Slayers Ayashi Episode 12: Equine Dragon, Howling at the Moon
Episode 12 of 25 of Ghost Slayers Ayashi, aired December 23, 2006, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Honjo and the others come across stone said to possess strange powers, but it’s stolen by a mysterious group, the Western Ones, who raise an enormous Youi. Yukiatsu fights using Ayagami, but is no match. Meanwhile, Ogasawara faces his old friend, Kanou. Source: crunchyroll