Card Trivia:Magical Citadel of Endymion
- This citadel appears in the artworks of "Fusion Recycling Plant" and "Mythical Institution".
- The "Endymion" cards are named after the Greek mythological figure of Endymion, who was beloved by the moon goddess Selene and put to sleep forever.
- This citadel has a striking similarities to the town of Geffen in the online RPG game Ragnarok Online. Both have a circular perimeter, a tall tower in the center, architectural buildings, and most of all, both are a town of spellcasters (mages and wizards in Ragnarok).
