Card Trivia:Orca Mega-Fortress of Darkness
- This monster appears in the artworks of "Big Wave Small Wave", "Heartless Drop Off", "Return from the Different Dimension", and "Salvage".
- A chibi version of this monster appears in the artwork of "Live☆Twin Channel".
- "Torpedo Fish", multiple "Cannonball Spear Shellfish", and "Amphibious Bugroth MK-3" appear in this card's artwork.