Card Trivia:Chaos End Ruler - Ruler of the Beginning and the End
- Both this card's name and effect reference both "Black Luster Soldier - Envoy of the Beginning" and "Chaos Emperor Dragon - Envoy of the End", while being a more powerful version of the two.
- This card's Type and Attribute match "Envoy of the Beginning", while its effect is a much stronger version of that of "Envoy of the End" while incorporating the banish effect of "Envoy of the Beginning". This card is also 2 Levels higher and has 500 more ATK in exchange for 500 less DEF compared to the aforementioned "Envoy" cards.
- According to the Yu-Gi-Oh! ZEXAL anime, this card is part of a "legendary Deck", but it is currently unknown who it belonged to. In-universe, this card is considered one of the most powerful monsters in the game.
- This is one of the few anime-exclusive and manga-exclusive cards to be revealed but never actually played.
