Eidos the Underworld Monarch DUAD-EN017 is a highly sought-after Yu-Gi-Oh! card from the Duelist's Advance set. This Dark Type Spellcaster card has a high Defense/Toughness of 1000 and an impressive Attack/Power of 2400, making it a formidable force in the game. As an Ultra Rare 1st Edition card, it is a valuable addition to any collector's deck. Manufactured by Konami and featuring the English language, this Effect card is sure to be a standout in any Yu-Gi-Oh! TCG collection.