Card Trivia:Schwarzschild Limit Dragon
- This monster appears in the artwork of "Ergosphere".
- This card is named after the Schwarzschild radius, the limit at which an object becomes a black hole.
- This is further reinforced by this card supported by the effect of "Ergosphere", which is named after an ergosphere, another term related a black hole.
- This monster's body is twisted to resemble an infinity symbol, which can also be interpreted as a sideways number "8" to represent its Level.
- In the artwork of "Ergosphere", this monster is depicted devouring its own tail, which resembles the ouroboros.