- This card appears in the artwork of "Iron Core Immediate Disposal", "Reckoned Power", and "Iron Core Luster".
- This is the only Spell Card that achieves its full potential without ever having to touch the field.
- The English name, "Koa'ki Meiru", is supposedly named after the Japanese pronunciation of "Core Chimail".
- The symbol on the device in the card image appears on all of the "Koa'ki Meiru" Monsters' body and/or weapon.
- This is considered to be the most important card in a "Koa'ki Meiru" Deck, since most "Koa'ki Meiru" Monsters and "Koa'ki Meiru" support cards revolve around the use of this card.
- Based on the number of Rock-Type "Koa'ki Meiru" monsters compared to others, one can assume the "Iron Core" is most compatible with Rock Monsters.
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