'Crest Blade which has a very important role in the Aero Blade Series, there is a variety of diffrent types that come in over a million shapes & sizes. They have a code which follws only to the user of crests or "symbols" that determined how in use will it be called "Moegi" that activates the weapon in a form that has the potential to kill. Crest Blades get source of power called "Crest Energy" that is transfered from the user's body to perform supernatrual abilities. '