Death Sphere

Death Sphere
The Death Sphere is a sphere/orb that rests in the body of every 7-star demon.it is energy(chakra or magic) in a physical form.It is what Hetai Natsumi needs to finish her Chakra project.If she puts it in a tranformer with Energy-proof skin,then she can 'hook it up' to someone and it will give the exact amount of energy thay need.The death Sphere is the most important discovery in energy related science.It also comes in different elements to boost up the persons element jutsu.