To this end, the Dragon King employed his vast scientific knowledge and the apparent mystical powers at his command to create - with the aid of the legendary spear of destiny and holy grail - a supernatural energy field around all of Axis held Europe and Asia. This energy field had a remarkable effect on anyone with magic-susceptible super powers, turning the greatest, most dedicated foes of the Japanese Empire into its most deadly unstoppable warriors whenever they passed within the energy field's sphere of influence.