Saiyuki

A long, long time ago, in the Far West, there was a world called Paradise. This was the origin of civilization and faith, where humans and evil spirits coexisted in peaceful harmony. Suddenly, by a negative spiritual wave spreading over this world, the evil spirits and monsters become violent and begin attacking the humans. Ordered by the Celestial Heavens, a priest named Sanzo recruits his old comrades and sets out for the journey toward Indara in the faraway West to find the culprit behind this disaster