Ruler of the End of the World is a DARK Fiend Ritual Effect Monster in the Yu-Gi-Oh! trading card game. This Level 10 card features 3000 ATK and 2900 DEF. It belongs to the End of the World archetype and is a Secret Rare Holo finish from the Magnificent Monsters set.
2026 • Yu-Gi-Oh! • Magnificent Monsters
No listings available right now.
No condition-by-condition breakdown has been recorded for this card yet.
Ruler of the End of the World (MAMO-EN121) is a Yu-Gi-Oh! trading card game card. It is a DARK Fiend Ritual Effect Monster with Level 10, 3000 ATK, and 2900 DEF. The card is part of the End of the World archetype. It appears in the Magnificent Monsters set with the set code MAMO. The specific printing is a Secret Rare with a Holo finish.
We'll pre-fill the product details from this catalog entry, so your listing lands on this exact page. Just add photos of your copy, pick its condition, and set your price.
The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.
The core identity of the card within the set.
The subject, team, league, and sport context tied to this card.
Featured
Ruler of the End of the World
Game
Yu-Gi-Oh!
Rarity, print treatment, and game-specific stats for this card.
Secret Rare
Card Stock
English
Holo
Dark
Fiend
10
3000 / 2900
End of the World
Abilities, attacks, oracle text, and flavor text printed on the card.
You can Ritual Summon this card with an "End of the World" card. This card's name becomes "Demise, King of Armageddon" while in the hand or on the field. You can only use each of the following effects of "Ruler of the End of the World" once per turn. You can reveal this card in your hand, pay 2000 LP, then banish 1 Ritual Spell from your Deck; apply that card's activation effect that Ritual Summons a monster. You can pay 2000 LP; destroy all other cards on the field, then this card gains 2900 ATK.
Explore cards with this name across sets and editions. Check each card’s details before choosing a version.
Tap an image to preview it, or a card’s name to open its page.
