tall mountain that looms behind the sparkling lake, it is the home to Xynia's older brother, Sesshoumaru, a full demon, even though she is half demon and he full demon they get along with eachother. Mt.Hakasu is also where the spirit barrier is, any demon walks through that they will be purifed. The Pagaus islands are floating above the mountain, these islands are home to many winged creatures including Pagasus horses, also home to the celesital dragon berries and rumors of the celestial fairy living there have been going around.