Card Trivia:Subterror Fiendess
- This monster appears in the artworks of "Subterror Behemoth Phospheroglacier", "Subterror Behemoth Speleogeist", and "Subterror Final Battle".
- This monster is the humanoid form of "Subterror Behemoth Fiendess", as indicated by their similar wings, hair color, glowing green symbols on their bodies, and their shared individual name in both English ("Fiendess") and Japanese (
妖 魔 Yōma, "Apparition").