Dragon-Slaying Blade: Belserion

Dragon Slayer Sword: Belserion (滅竜剣 ベルセリオン Metsuryūken: Beruserion) is an ability of Demon Blade Benizakura.

Description
The Demon Blade Benizakura creates a magical blade that releases black lighting around it and giving the user the advantage against Dragons or Dragon Slayers.