Gunung Merapi was believed as the place of the supernatural being's palace. Panembahan Senopati the founder of the Mataram kingdom received the victory in the war on the kingdom Display with help of the ruler Merapi. Mount Merapi exploded until killing the troops's troops Display, the rest of them ran pontang-panting the fear. The inhabitants be sure that Mount Merapi apart from being occupied by humankind also was occupied by the creature's other creature that they mentioned as the soft nation or the supernatural being. The inhabitants in the Mount Merapi area had the belief about the existence of places of the armature or sacred. The place of this armature was trusted as places that was guarded by mahkluk soft, where that could not be disturbed and this place had the invisible strength that must be honored. The inhabitants of abstention to carry out the activity as cutting down the tree, merumput and took or moved available objects in this area. Apart from this prohibition had also the prohibition to not speak dirty, urine or defecated, because of resulting in the feeling being touched on by the supernatural being who lived in the area.