cosplaycosplaycosplay any idea ?.?

hmmm...this i wish to cosplay this but the black one and of course not a female but a male version and the white one I still don't know who want to cosplay that(They are characters from Queen's Blade Rebellion Eirin and Ymir) easy to cosplay this but only the weapon need to make and it will be kinda hard if there's no material that I need-.-