• As with the other "Dark World" monsters, this monster's name is based on a color; in this case, cerulean, a bright shade of blue.
  • This card's Chinese name, 藍爾利, is a combination of 藍 ("blue"), 爾 ěr (transcription of coda liquid consonants such as /r/ and /l/ in other languages, which is similar to the Japanese ル ru) and 利 (transcription of リ ri as in its Japanese name セル Seruri).
  • This is the first anime-exclusive card to be retroactively made into a real card for a Structure Deck.

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