- This card is a retrained counterpart of "B. Skull Dragon". Both monsters share the same Level, Attribute, Type, ATK and DEF and are formed through the fusion of a Level 6 "Archfiend" monster and a "Red-Eyes" monster.
- This card's Japanese name, "Fiend Dragon – Black Daemon's Dragon", is also based on "B. Skull Dragon", whose original name is "Black Daemon's Dragon".
- This monster appears to be the fusion of "Red-Eyes Archfiend of Lightning" and "Red-Eyes Black Flare Dragon".
- This card also share the same Level, Attribute, Type, ATK and DEF with "Hot Red Dragon Archfiend Abyss". Both cards are demonic dragons that are summoned from the Extra Deck and share the Archetype "Archfiend".
- This card is the first Fusion Monster to require a Fusion Material of a specific Level.
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