Yu-Gi-Oh! · Quarter Century Bonanza

Thestalos the Firestorm Monarch (Quarter Century Secret Rare)

French name: Thestalos, le Monarque de la Tempête de Feu (Quarter Century Secret Rare)

RA03-EN143Quarter Century Secret Rare

Thestalos the Firestorm Monarch (Quarter Century Secret Rare) (Quarter Century Bonanza RA03-EN143) has a market price of US$8.28 as of Nov 10, 2026.

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Price guide

The market price on TCGplayer, in US dollars: a guide, not an offer.

Market price

1st EditionUS$8.28Low US$8.20

As of Nov 10, 2026 · The market price is TCGplayer’s, in US dollars. It is a guide, not an offer.

Card details

Type: Effect Monster
Level: 6
Attribute: FIRE
Monster type: Pyro
Archetype: Monarch
ATK: 2,400
DEF: 1,000

Card text

If this card is Tribute Summoned: Discard 1 random card from your opponent's hand, then, if it was a Monster Card, inflict damage to your opponent equal to its original Level x 100.

About this card

Thestalos the Firestorm Monarch (Quarter Century Secret Rare) is card RA03-EN143 in Quarter Century Bonanza, a Yu-Gi-Oh! set released Nov 8, 2024. Rarity: Quarter Century Secret Rare. Finishes: 1st Edition. Reference market price on Nov 10, 2026: US$8.28. Over the last 30 days, the 1st Edition price went up 12.2%. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.