Card Trivia:Elemental HERO Escuridao
- This monster's name is based on the Portugese word for "darkness", referencing its DARK Attribute and Fusion Material requiring a DARK monster.
- This monster is likely an upgraded Fusion form of "Elemental HERO Shadow Mist".
- This monster has "Elemental HERO" Attribute-based Fusion counterparts for five of the other six Attributes:
- This monster has a LIGHT counterpart: "Elemental HERO The Shining".
- Both monsters feature effects that allow them to gain ATK for each "Elemental HERO" monster that is not in the hand or field: This monster gains ATK equal to the number of "Elemental HERO" monsters in the Graveyard, while "The Shining" gains ATK equal to the number of banished "Elemental HERO" monsters.
- This is the last "Elemental HERO" Attribute-based Fusion Monster to appear in the Yu-Gi-Oh! GX manga.
- This card's OCG/TCG artwork is taken from Yu-Gi-Oh! GX chapter 62: "The Ultimate Planet Series!!", specifically from the panel showing this monster being Summoned, albeit with its right arm lifted up.