Card Trivia:Blackwing - Hillen the Tengu-wind
- "Hillen" in this card's name is based on Feilian, the Chinese god of the wind.
- In Japanese, the kanji compound meaning "Feilian" (飛廉) can be read as "Hillen" (ヒレン hiren).
- "Tengu-wind" in this card's name and this monster's appearance is based on a tengu, a legendary creature in Japanese mythology who takes on avian-like appearances and wields a magic fan that can generate powerful winds, or a khakkhara staff often used by Buddhist monks..