|Sky Demon's Double Blade||-|
The perfect combination of fire and darkness. Only the most capable can wield this asymmetrical double-edged sword. All weapon types are displayed out of combat; during battle, only primary and secondary types are shown.
|4x Sky Demon's Double Blade||+||1x Fusion Formula: Demonworld Double Blade||=||1x Demonworld Double Blade|
|4x Sky Demon's Double Blade||+||1x Fusion Formula: Aura Kingdom Double Blade||=||1x Aura Kingdom Double Blade|