Dark Dragon Blade, Villains Wiki

The Dark Dragon Blade (魔刀 「黒龍丸」, Matou "Kokuryuumaru"?, Devil Sword, Dark Dragon) is a dark and ancient sword made from the bones of the Dark Dragon, it is the main catalyst of events set in Ninja Gaiden. After the Dark Dragon was slain by the Dragon Lineage, the Fiends set out to create a sinister counterpart to their weapon, the Dragon Sword. Using the dragon god's bones, they forged the Dark Dragon Blade, which held the power of the Dark Dragon and the souls of his slain spawn, Black Dragon.

Drago Bludvist, The Great Villains Wiki

Dark Dragon Blade by DemonicCriminal on DeviantArt

Goku Black, Villains Wiki

Dark Blade (Whispers of the Gods #1) by Steve Feasey

Dragon Blade (2015) - IMDb

List of Gun X Sword characters - Wikipedia

List of Dragon Ball characters - Wikipedia

Dark Dragon Blade Characters - Giant Bomb

Zedonius, Villains Wiki

Drake (Blade) Villains+BreezeWiki

Dark Dragon (Savage Dragon), Villains Wiki

Gyaos Wikizilla, the kaiju encyclopedia