Gem-Knight Topaz is a 2011 Yu-Gi-Oh! Fusion Monster from Hidden Arsenal 5: Steelswarm Invasion, identified by card number HA05-EN021 and featuring the coveted Secret Rare holo finish.
Gem-Knight Topaz
2011 • Yu-Gi-Oh! • Hidden Arsenal 5: Steelswarm Invasion
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Description
Gem-Knight Topaz, designated as card HA05-EN021, holds a distinct place within the 2011 Yu-Gi-Oh! Trading card game landscape. Released as part of the Hidden Arsenal 5: Steelswarm Invasion set, this card appeals to collectors who appreciate the intricate design work and thematic depth of the Gem-Knight archetype. As a Thunder-type EARTH monster with six levels, it represents a specific strategic niche for players who build decks around fusion mechanics, offering a tangible connection to that era of gameplay strategy. For investors and hobbyists alike, the Secret Rare treatment makes this card particularly notable. The holo finish provides a shimmering, reflective surface that catches the light, elevating the card's visual appeal beyond standard printings. Collectors often seek out these high-rarity variants to complete their set collections or to add a premium aesthetic to their display cases. The Secret Rare designation indicates a lower print run relative to common cards, increasing its desirability among those who value scarcity and finish quality in their Yu-Gi-Oh! Acquisitions. We recognize that cards like Gem-Knight Topaz are not just game pieces but artifacts of a specific design period. Whether you are a veteran collector building a comprehensive archive of the Gem-Knight series or a new enthusiast exploring the Hidden Arsenal 5: Steelswarm Invasion expansion, this card offers a compelling entry point. Its clear card number and distinct rarity make it an easy reference for cataloging purposes, ensuring it stands out in any organized collection. When evaluating Yu-Gi-Oh! Cards from this era, the condition of the holo finish is often a primary concern for serious collectors. The Secret Rare variant requires careful handling to maintain its reflective integrity. For those focused on the Gem-Knight archetype, owning HA05-EN021 completes a key component of the monster family, providing both functional gameplay value and aesthetic satisfaction. It serves as a reminder of the detailed artwork and strategic complexity that defined Yu-Gi-Oh! During the Hidden Arsenal series' run.
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Card Details
The catalog profile below summarizes the card identity, featured subject, and notable collectible traits.
Catalog Profile
The core identity of the card within the set.
Featured Subject
The subject, team, league, and sport context tied to this card.
Featured
Gem-Knight Topaz
Game
Yu-Gi-Oh!
TCG Attributes
Rarity, print treatment, and game-specific stats for this card.
Secret Rare
Card Stock
English
Holo
Earth
Thunder
6
1800 / 1800
Gem-
Card Text
Abilities, attacks, oracle text, and flavor text printed on the card.
"Gem-Knight Tourmaline" + 1 "Gem-Knight" monster Must first be Fusion Summoned with the above Fusion Material Monsters. This card can attack twice during each Battle Phase. When this card destroys a monster by battle and sends it to the Graveyard: Inflict damage to your opponent equal to the ATK of the destroyed monster in the Graveyard.










