Volume Nine: The Phantom of the Ancient Castle, Chapter Two: The Secret Door Opens

At this time, the mages who had already noticed the formidable strength of the two skeleton dragons also realized the severity of the problem. If they didn't join forces, it was feared that these two one-spiked flying dragons would bring unexpected harm to this group of people.

A series of Gravity Spells and Dark Bindings were almost simultaneously incanted by the Mysterious Mage and Mihailovich. The Puppet Mage, who seldom resorted to his Magic Wand, held it high in the air at the first opportunity, and two Skeleton Giant Demons stepped out amongst countless clouds of black mist. Their massive Dark Scythes glimmered with a ghostly light, and at the command of the Puppet Mage's hand gestures, the Skeleton Giant Demons, not far from the top of the Passage, roared and swung their colossal scythes in a frenzy targeting the other dodging skeleton dragon.