Diana is one of four Kings (Queen, in her case) of celestial Mars. Diana can use the element of Wind.
Alongside her brothers in arms, she fought the Legendary Saints ( Seiya and companions ) but was stopped by the arrival of Athena . The latter inflicted such injuries that she was forced to put to sleep awaiting the return of his master.
Diana Arch : The Arc of Diana is the main weapon of Diana , one of the Four heavenly Kings , consists of energy so Diana can create the blue arrows on the edges is likely embellishments that make allusion to nature that is related to the character underlying mythological character.