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{{Infobox archetypearchseries| cut_from_names = true| image = Gem-Knight.png| caption = From left to right: "[[Gem-Knight Alexandrite (anime)|Alexandrite]]", "[[Gem-Knight Lapis (anime)|Lapis]]" , and "[[Gem-Knight Emerald (anime)|Emerald]]".| ja_name = ジェムナイト| romaji = Jemunaito| trans = Gemknight| fr_name = Chevalier-Gemmes| de_name = Edelstein-Ritter| it_name = Cavaliere-Gemma| ko_name = 젬나이트| ko_romanized = Jemnaiteu| ko_trans = Gemknight| pt_name = Cavaleiro-Gema| es_name = Caballero-Gema| other_names sets = ; Arabic* [[Hidden Arsenal 5: Steelswarm Invasion]]* [[Hidden Arsenal 6: Omega Xyz]]* [[Hidden Arsenal 7: فارس الجواهرKnight of Stars]]* [[Secrets of Eternity]]* [[Clash of Rebellions]]* [[Power of the Elements]]; Croatian| tcg =* [[Duel Terminal 5a]]* [[Photon Shockwave]]* [[Duel Terminal 6a]]* [[Battle Pack: Draguljski VitezoviEpic Dawn]]* [[Duel Terminal 6b]]* [[Duel Terminal 7a]]* [[Duel Terminal 7b]]* [[Star Pack ARC-V]]* [[2015 Mega-Tin Mega Pack]]* [[Astral Pack Eight]]* [[Wing Raiders]]* [[OTS Tournament Pack 6]]* [[Advanced Demo Deck Extra Pack]]* [[Extreme Force]]* [[Shadows in Valhalla]]| sets ocg =

* [[Duel Terminal 5aChronicle 1 - Chapter of Awakening]]* [[Duel Terminal 6aChronicle 2 - Chapter of Chaos]]* [[Duel Terminal 6bChronicle 3 - Chapter of Destruction]]* [[Duel Terminal 7aChronicle 4 - Chapter of Opposites]]* [[Yu-Gi-Oh! Duel Terminal 7bMaster Guide promotional cards]]* [[Hidden Arsenal 6: Omega Xyz]]* [[Hidden Arsenal 7: Knight of StarsAdvanced Tournament Pack 2014 Vol.3]]

* [[Secrets Entry Pack]]* [[LINK VRAINS Pack]]* [[Tournament Pack 2022 Vol.2]]* [[Power of Eternitythe Elements +1 Bonus Pack]]| korea =* [[Premium Pack Vol.9]]* [[Clash of RebellionsAdvanced Event Pack 2014 Vol.4]]| anime = [[Yu-Gi-Oh! ARC-V]]| manga =

 Their team symbol is a jewel droplet adorned with gold trim and two small, arced points. Its color varies according to the monster or object to which it is attached. All "Gem-KnightsKnight" monsters are [[EARTH]], whereas their [[Type]] varies between [[Pyro]], [[Thunder]], [[Aqua]], or [[Rock]] (with [[Gem-Knight Seraphinite|one]] , as well as a few [[Fairy]] as an exception), in keeping with the cardinal elements: fire, wind, water and earth, respectively. "Gem-Knights" are further subdivided into trios: each Type includes a [[Normal Monster|Normal]] member, a [[Gemini monster|Gemini]] member, and a [[Fusion Monster|Fusion]] member. 

 While the four In terms of playstyle, "Gem-Knight" Normal Monsters are shown to be unarmed, the ten monsters focus on rapidly and repeatedly Fusion Monsters wield weapons befitting Summoning their stats boss monsters by searching and effects (or lack thereof): "[[Gem-Knight Aquamarine]]" uses a bladed shield; "[[Gem-Knight Ruby]]" uses a polearm; "[[Gem-Knight Topaz]]" uses twin-bladed tonfa; "[[Gem-Knight Amethyst]]" carries a shield and what is either a wand or a slim blade; "[[Gem-Knight Citrine]]" uses a fire sword, recycling Fusion Spells and "[[Gem-Knight Prismaura]]" wields a lance and shieldMaterials. "[[Gem-Knight Zirconia]]," on the other hand, is equipped with gigantic fists seemingly to compensate for its lack of effectTheir core Fusion Spell, "[[Gem-Knight SeraphiniteFusion]]" uses a saber, and "can [[Gem-Knight Master Diamondreturn]]" uses a broadsword embedded with gems. "[[Gem-Knight Lady Lapis Lazuli]]", which deals effect damage, is depicted without any weapon."[[Gem-Knight Lady Brilliant Diamond]]" uses a simple sword. "Gem-Knight" is itself from GY to the first and, so far, only archetype to boast six "[[Polymerization]]"-styled cards: "Gem-Knight Fusion", "[[Particle Fusionhand]]", "by [[Pyroxene Fusionbanish]]", "[[Fragment Fusion]]", "[[Absorb Fusion]]", and "[[Brilliant Fusion]]". Regardless, "Gem Knights" are capable of rapidly Summoning Fusion Monsters with a mere "Gem-Knight Fusion" as its ability grants the user to repeatedly return itself to the owner's hand at the cost of banishing ing 1 "Gem-Knight" Monstermonster from GY, and with the assistance of "[[Gem-Knight Obsidian]]" and "[[Gem-Knight Lazuli]]" the user is allowed to can both recycle "Gem-Knight" Normal Monsters. As Their team symbol is a resultjewel droplet adorned with gold trim and two small, arced points. Its color varies according to the player can Fusion Summon several times from their Extra Deck during the same turnmonster or object to which it is attached. ==StoryLore=={{Main|Duel Terminal Master Guide card storylines|Master Guide 5 card storylines|Master Duel card storylines#The Pyroxene Warriors}}

===[[Main Deck]]===; Normal Monster{| class="wikitable sortable"! Gem-Knight !! OriginType !! Mineral

| [[Gem-Knight AlexandriteCrystal|AlexandriteCrystal]] || rowspan=2 | [[Rock]] || [[wikipedia:AlexandriteCrystal|AlexandriteCrystal]]

| [[Gem-Knight AmberLapis|AmberLapis]] || [[wikipedia:AmberLapis lazuli|AmberLapis lazuli]]

| [[Gem-Knight CrystalGarnet|CrystalGarnet]] || [[Pyro]] || [[wikipedia:CrystalGarnet|CrystalGarnet]]

| [[Gem-Knight EmeraldSapphire|EmeraldSapphire]] || [[Aqua]] || [[wikipedia:EmeraldSapphire|EmeraldSapphire]]

| [[Gem-Knight GarnetTourmaline|GarnetTourmaline]] || [[Thunder]] || [[wikipedia:GarnetTourmaline|GarnetTourmaline]]|}; Effect Monster{| class="wikitable"! Gem-Knight !! Type !! Mineral

| [[Gem-Knight IoliteAlexandrite|IoliteAlexandrite]] || rowspan=4 | [[Rock]] || [[wikipedia:CordieriteAlexandrite|IoliteAlexandrite]]

| [[Gem-Knight LapisEmerald|LapisEmerald]] || rowspan=2 | [[wikipedia:Lapis lazuliEmerald|Lapis lazuliEmerald]]

| [[Gem-Knight Lazuli|Lazuli]] || [[wikipedia:Lapis lazuli|Lapis lazuli]]

| [[Gem-Knight SapphireQuartz|SapphireQuartz]] || [[Fairy]] || [[wikipedia:Quartz|Quartz]]|}; Effect Monster (Rose series)A small series of cards that simultaneously support "Gem-Knight" and "[[Melodious]]".* [[Brilliant Rose]]* [[Crystal Rose]] (although it is not a "Gem-Knight" monster); Gemini Monster{| class="wikitable"! Gem-Knight !! Type !! Mineral|-| [[Gem-Knight Amber|Amber]] || [[Thunder]] || [[wikipedia:SapphireAmber|SapphireAmber]]

| [[Gem-Knight SardonyxIolite|SardonyxIolite]] || [[Aqua]] || [[wikipedia:OnyxCordierite|SardonyxIolite]]

| [[Gem-Knight TourmalineSardonyx|TourmalineSardonyx]] || [[Pyro]] || [[wikipedia:TourmalineOnyx|TourmalineSardonyx]]

 ===[[Extra Deck]]===; Fusion Monster (Specific Normal Monster material){| class="wikitable sortable"! Gem-Knight !! OriginListed Fusion Material !! Type !! Mineral

| [[Gem-Knight AmethystAquamarine|AmethystAquamarine]] || [[Gem-Knight Sapphire]] || [[Aqua]] || [[wikipedia:AmethystAquamarine (gemstone)|AmethystAquamarine]]

| [[Gem-Knight AquamarineLady Lapis Lazuli|AquamarineLady Lapis Lazuli]] || [[Gem-Knight Lapis]] || [[Rock]] || [[wikipedia:Aquamarine (gemstone)Lapis lazuli|AquamarineLapis lazuli]]

| [[Gem-Knight CitrineRuby|CitrineRuby]] || [[Gem-Knight Garnet]] || [[Pyro]] || [[wikipedia:CitrineRuby|CitrineRuby]]

| [[Gem-Knight Lady Brilliant DiamondTopaz|Lady Brilliant DiamondTopaz]] || [[Gem-Knight Tourmaline]] || [[Thunder]] || [[wikipedia:DiamondTopaz|DiamondTopaz]]|}; Fusion Monster (Non-specific material){| class="wikitable"! Gem-Knight !! Generic Fusion Material !! Type !! Mineral

| [[Gem-Knight Lady Lapis LazuliAmethyst|Lady Lapis LazuliAmethyst]] || 1 [[Aqua]] monster || [[Aqua]] || [[wikipedia:Lapis lazuliAmethyst|Lapis lazuliAmethyst]]

| [[Gem-Knight Master DiamondCitrine|Master DiamondCitrine]] || 1 [[Pyro]] monster || [[Pyro]] || [[wikipedia:DiamondCitrine|DiamondCitrine]]

| [[Gem-Knight PearlPrismaura|PearlPrismaura]] || 1 [[Thunder]] monster || [[Thunder]] || [[wikipedia:PearlPrism (geology)|PearlPrism]]

| [[Gem-Knight Phantom CoreLady Rose Diamond|Phantom CoreLady Rose Diamond]] || 1 [[Fairy]] monster || rowspan=2 | [[Fairy]] || [[wikipedia:Phantom quartzDiamond|Phantom quartzDiamond]]

| [[Gem-Knight PrismauraSeraphinite|PrismauraSeraphinite]] || 1 [[LIGHT]] monster || [[wikipedia:Prism (geology)Seraphinite|PrismSeraphinite]]

| [[Gem-Knight RubyZirconia|RubyZirconia]] || 1 [[Rock]] monster || [[Rock]] || [[wikipedia:RubyZircon|RubyZircon]]|}; Fusion Monster (3 "Gem-Knight" materials){| class="wikitable"! Gem-Knight !! Type !! Mineral

| [[Gem-Knight SeraphiniteLady Brilliant Diamond|SeraphiniteLady Brilliant Diamond]] || rowspan=2 | [[Rock]] || rowspan=2 | [[wikipedia:SeraphiniteDiamond|SeraphiniteDiamond]]

| [[Gem-Knight TopazMaster Diamond|TopazMaster Diamond]] |}; Non-Fusion Monster{| [[wikipedia:Topaz|Topaz]]class="wikitable"! Gem-Knight !! Type !! Mineral

| [[Gem-Knight ZirconiaPearl|ZirconiaPearl]] || rowspan=2 | [[Rock]] || [[wikipedia:Pearl|Pearl]]|-| [[Gem-Knight Phantom Quartz|Phantom Quartz]] || [[wikipedia:ZirconPhantom quartz|ZirconPhantom quartz]]

The "Gem-Knight" employs rapid archetype focuses on [[Fusion Summon|Fusion]] [[Beatdown]] strategy (similar to "[[Elemental HERO]]" monsters)ing, accomplished with the use the archetype's five many Fusion SpellsSummon-[[Spell]]s/Traps [[Trap]]s and a wide array of recycling effects. The "Gem-Knight" Normal Fusion Monsters benefit each have their own effects, ranging from most battle support, card destruction, to burn damage. They either require a specific "Gem-Knight" Normal Monster support cards+ any "Gem-Knight" monster as material, any "Gem-Knight" monster + any monster of a specific Type/Attribute as well material, or 3 "Gem-Knight" monsters as materials.Each of the archetype's Fusion Spell/Traps have different effects and have different levels of importance:{| class="wikitable"! Fusion Spell/Trap !! Spell/Trap !! Effects !! Notes|-| [[Gem-MerchantKnight Fusion]]|| rowspan = 5 | Spell || Fusion Summons using hand/field materials, and can recover itself from GY. || Critically important; searchable by "Gem-Knight"support, whose effect resembles that of "no once-per-turn clause and can be repeatedly used and reused.|-| [[Blackwing Particle Fusion]] || Fusion Summons using field materials, grants Fusion Monster ATK boost. || Situational; requires field setup and ATK boost is marginally useful.|- Kalut the Moon Shadow| [[Absorb Fusion]]|| Searches 1 "Gem-Knight"card, then Fusion Summons using hand/field materials, by banishing them. Also applies Special Summoning restriction. "|| Situational; searching effect increases consistency, but banish fusion prevents GY effects, and also archetype-locks the player's summons.|-| [[GemBrilliant Fusion]] || Fusion Summons using Main Deck materials, but with ATK penalty. || Important; fusing from Deck removes the need to search materials, and can even grant card advantage by strategically milling useful cards.|-Knight Alexandrite| [[Scatter Fusion]]|| If your opponent controls a monster, Fusion Summons non-Rock " and Gem-Knight"using Main Deck materials. Also applies Extra Deck Special Summoning restriction.| Conditionally valuable; despite also fusing from Deck, the restrictions on the card's effects forces a going-second beatdown-focused build.|-| [[GemPyroxene Fusion]] || rowspan = 2 | Trap || Fusion Summons using hand/field materials. || Situational; Traps are delayed by one turn.|-Armadillo| [[Fragment Fusion]]" provide excellent search power to facilitate this strategy|| Fusion Summons using GY materials, by banishing them. || Situational; less resource intensive, but Traps are delayed by one turn.|}The A key monster to the archetype's key card general strategy is their LINK 2 [[Link Monster]] "[[Gem-Knight FusionPhantom Quartz]]", whichwho is both a searcher for all archetypal cards, apart from granting access and also a Fusion Summoning extender able to its vast arsenal of powerful FusionsFusion Summon by shuffling materials in the GY or Banish Pile back into the Deck.To quickly search out the archetype's monsters for use as Fusion materials, the archetype can return itself to the hand at the price make use of a archetype-specific support (e.g.: "[[Gem-KnightArmadillo]]" banished from the Graveyard), Normal Monster support (e.g. : "[[DiscardRescue Rabbit]] effects can come in handy: cards such as ", "[[Phoenix Wing Wind BlastUnexpected Dai]]" can remove threats from the field), while also loading the Graveyard to pay this costor [[Rock]] support (e.g. "[[D.D.R. - Different Dimension ReincarnationAdamancipator Researcher]]", "[[Block Dragon]]" and ). "[[Chaos ZoneCrystal Rose]]" is an indirect searcher that can re-Summon copy the name of any "Gem-KnightsKnight" banished via "Gem-Knight monster in Deck (allowing it to be used as a Fusion"or Link Material), essentially rendering the cost moot and restocking the hand with materials for another Fusion Summon. Since you can Fusion Summon Gem-Knights using other sends a "Gem-Knight Fusion monsters" from Deck to GY, a Gem-Knight deck which can use the trigger floating effects of Amethyst . "[[Crystal Rose]]" and Aquamarine "[[Brilliant Rose]]" both have effects to eliminate troublesome Trap Cards Special Summon themselves and return monsters to copy the handname of a "Gem-Knight" monster, making providing indirect searching for specific Fusion Materials.To search out the field safer for archetype's Fusion Spells, external "Fusion" support cards like Gem-Knight Prismaura"[[Predaplant Darlingtonia Cobra]]" and "[[Predaplant Ophrys Scorpio]]" can be used, but "Phantom Quartz" alone can be used to search out "[[Gem-Knight CitrineFusion]]", which can then be repeatedly used and Gem-Knight Rubyreused. Pairing "[[Gem-Knight Master DiamondQuartz]]" with can search out the Field Spell powerful "[[Brilliant Fusion]]" and "[[Catapult ZoneScatter Fusion]]" is also a good tactic, but has heavy restrictions attached to it. As the effect of Two key "Gem-Knight" monsters, "Master Diamond[[Gem-Knight Obsidian]]" allows it to gain 100 ATK with every and "[[Gem-KnightLazuli]]" in the Graveyard, it's prevented from getting destroyed by battle have non-once per turn and send one Rock-Type from effects that can recycle the Deck player's monsters when sent to the Graveyard insteadGY, compensating for the costs of Fusion Summoning and extending the player's Fusion plays. By feeding in cards such as "[[Gem-Knight LazuliQuartz]]", also has a GY recycle effect if it's ATK will steadily rise over 3000used as a Fusion Material, which causes it to become less vulnerable and it can come in handy when dealing with cards such as albeit being once-per-turn only.===Gem-Knight Beatdown===The intended strategy for the "Gem-Knight"archetype is likely a [[Hieratic Sun Dragon Overlord of Heliopolisbeatdown]]-focused one, focusing on Fusion Summoning multiple "Gem-Knight"Fusion Monsters, use them to remove the opponent's cards, and defeat the opponent with the high ATK of the Fusion Monsters.===Gem-Knight FTK===The release This is an [[FTK]] strategy focused on using the effect of both "[[Xyz MonsterGem-Knight Lady Lapis Lazuli]]s " and "[[Rescue RabbitGem-Knight Master Diamond]]" give (copying the effect of "Gem-KnightsLady Lapis Lazuli" another welcome boost) to repeatedly [[burn]] the opponent. "Rescue RabbitLady Lapis Lazuli" can bring out inflict 500 damage to the materials opponent for any each Special Summoned monster on the field. However, "Gem-KnightLapis Lazuli" Fusion Monsters (or even Xyz Summoning can only be Special Summoned once per turn, necessitating the use of "[[Gem-Knight Pearl]]Master Diamond"), and to copy the effect of "[[Lady Lapis Lazuli" and reuse its effects. Generally, Gem-Knight Amber]]FTK aims to swarm the player's own field with monsters and activate the effects of "Lady Lapis Lazuli" can return a banished once and "RabbitMaster Diamond" twice to inflict around 8000 damage to the hand for further usageopponent, achieving an FTK. === Recommended cards ==={{Decklist|Vanilla Style

* [[NeoGem-Spacian Grand MoleKnight Quartz]]* [[Brilliant Rose]]* [[Crystal Rose]]* [[Gem-Armadillo]]* [[Gem-Merchant]]* [[Gem-Turtle]]* [[Box of Friends]]

* [[Summoner MonkPredaplant Darlingtonia Cobra]]* + [[Snipe HunterPredaplant Ophrys Scorpio]]

|gemini monsters =* [[Gem-Knight Amber]]* [[TragoediaGem-Knight Iolite]]* [[Volcanic ShellGem-Knight Sardonyx]]

|synchro monsters =* [[Thunder Dragon Colossus]] (OCG or Traditional Format only)*[[Stardust Thunder DragonTitan]]

* [[Infernal Flame VixenGallant Granite]]|link monsters =* [[Lavalval ChainGem-Knight Phantom Quartz]]* [[Leviair Aussa the Sea DragonEarth Charmer, Immovable]]* [[Princess Cologne (card)|Princess CologneMissus Radiant]]* [[Some Summer Summoner]]|normal spells =

* [[Creature Swap]]* [[D.D.R. - Different Dimension Reincarnation]]* [[Dark Factory of Mass Production]]|normal traps =* [[Common Charity]]* [[Justi-Break]]* [[Phoenix Wing Wind Blast]]* [[Pyroxene FusionBrilliant Spark]]

{{Decklist|Gemini Style|effect monsters =* [[Crystal Rose]]* [[Gem-Armadillo]]* [[Gem-Knight Amber]]* [[Gem-Knight Iolite]]* [[Gem-Knight Obsidian]]* [[Gem-Knight Sardonyx]]* [[Gem-Merchant]]* [[Gem-Turtle]]|fusion monsters =* [[Gem-Knight Amethyst]]* [[Gem-Knight Citrine]]* [[Gem-Knight Master Diamond]]* [[Gem-Knight Prismaura]]* [[Gem-Knight Seraphinite]]* [[Gem-Knight Zirconia]]* [[Superalloy Beast Raptinus]]|xyz monsters =* [[Gem-Knight Pearl]]* [[Daigusto Emeral]]* [[Fairy King Albverdich]]* [[Lavalval Chain]]|spells Weaknesses==* [[Burial from a Different Dimension]]* [[Dark Factory of Mass Production]]* [[D.D.R. - Different Dimension Reincarnation]]* [[Gem-Knight Fusion]]* [[Gemini Spark]]* [[Supervise]]|traps =* [[Paradox Fusion]]* [[Pyroxene Fusion]]* [[Fragment Fusion]]|link monsters = * [[Missus Radiant]]}} ==Weaknesses==Despite its speed and flexibility, "Gem-Knights" are not without weaknesses. Like the "[[Evil HERO]]" [[series]], which relies on "[[Dark Fusion]]" and "[[Dark Calling]]", the "Gem-Knights" depends upon their "[[GemAnti-Knight Fusion]]" for their usual repeated Fusion Summons (unless other Fusion Spell/Traps like "[[Pyroxene Fusion]]" also included). One of the most effective ways to cripple it is to activate a card like "[[Cursed Seal of the Forbidden Spell]]" or "[[Armageddon Designator]]" (the latter if your opponent also just so happens to be using "Gem-Knights" too)Special Summoning floodgates, which can render it unusable for the rest of the Duel. such as "[[Non-Fusion Area]]" can also damage its play-style, blocking all attempts at Fusion Summoning, leaving the Deck at a severe disadvantage (plus "[[Anti-Fusion DeviceArchlord Kristya]]" and "[[Steelswarm Sting]]" can expunge Fusions on the field). "[[Torrential Tribute]]" and "[[Needle Ceiling]]", if activated at the right time, can also knock the "Gem-Knight" player off balance. Fortunately, "[[Seven Tools of the Bandit]]" or "[[Royal Decree]]" can be reliable answers for those threats but not for cards like "[[Dark HoleDimensional Barrier]]", "[[Lightning Vortex]]" or even "[[4-Starred Ladybug of Doom]]" (all non-Fusion "Gem-Knights" and some of their support are [[Level]] 4,) which will involve varying stratagems to counteract against (i.e. "[[Dark Bribe]]" and "[[Royal Command]]"). It is also for this reason that "[[Monarch]]" decks can easily defeat "Gem-Knights"; by locking down their Extra Deck with "[[Domain of the True Monarchs]]", "Gem-Knights" effectively lose, being robbed of their most powerful cardscan completely shut off the deck's game plan. A more typical concern would be anti* Anti-Special Summoning cards such as "[[Archlord Kristya]]", which are not as easily dealt with once on the field. Due to the [[Gemini Monster]] portion of the archetype, however, support Spell floodgates like "[[Gemini Spark]]" can be used to handle threats of this nature. The same applies for cards like "[[Macro CosmosNaturia Beast]]" or "[[Dimensional Fissure]]," so that they will not disrupt the stream of Fusions. Cards such as "[[Mist Wurm]]", "[[Byser Shock]]", "[[Guardian Sphinx]]" "[[Compulsory Evacuation Device]]", "[[Compulsory Escape Device]]" and "[[Neo-Spacian Grand MoleImperial Order]]" can also get rid of your "Gem-Knights" Fusion Monsters (especially useful for dispatching prevent the deck from using "[[Gem-Knight AquamarineFusion]]" and "[[Gem-Knight Amethyst]]"). "[[Effect Veiler]]" or "[[Divine Wrath]]" are readily available responses. Occasionally, a "Gem-Knight" player's hand may clog up with Normal Monsters in a moment where "Gem-Knight Fusion" is nowhere to be found. This condition can be even worse if * GY floodgates like "[[Rescue RabbitMacro Cosmos]]" also included in the mix, since "Rabbit" can only Special Summon those Normal Monsters from prevent the Deck. "[[Gem-Turtle]]" can sometimes provide a remedy, as it retrieves a copy deck from the Deck and places it in the hand, but some players consider it dangerously slow in a fast-paced meta. Unfortunately, there is no guaranteed alternative available yet to solve this problem ("[[Pot of Duality]]" can be used, but not only will it suspend Fusion Summoning for a turn, but it also may not work as intended). Proper [[Deck Thinning]] cards can be used to increase the odds of drawing the correct cards; "[[Thunder Dragon]]" and "[[Volcanic Shell]]" are prime candidates for this role. If one or both are utilized, consider focusing the Deck around "[[Gem-Knight Prismaura]]" and "[[Gem-Knight Citrine]]," since "[[Thunder Dragon]]" and "[[Volcanic Shell]]" are [[Thunder]]-[[Type]] and [[Pyro]]-Type, listed as materials on the above-mentioned cards, respectively. Another strategy in this vein is using "[[Lavalval Chain]]" to put recovering "Gem-Knight Fusion" in the Graveyard. "[[Summoner Monk]]" can quickly put "Lavalval Chain" on the field at the cost of a Spell Card, but be warned: it is susceptible to cards such as "Effect Veiler", "[[Bottomless Trap Hole]]" and "[[Solemn Warning]]." * Most "Gem-Knight" Decks that utilize either decks use "[[Gem-Knight AlexandritePhantom Quartz]]" or "Rescue Rabbit" are also susceptible as their only way to "[[Mirror of Oaths]]", resulting a possibly loss of momentum. "[[Skill Drain]]" can also dangerous, since it will disable most in-field search "Gem-Knight" Fusion Monster's effect such as "Citrine", "Prismaura" or "[[Gem-Knight Seraphinite]]".  Cards like "[[Naturia Beast]]", "[[Naturia Exterio]]" and "[[Horus the Black Flame Dragon LV8]]" also pose a serious threat, since they can stop "Gem-Knight Fusion" from working no matter how many times making it is returned to the hand. Finally, "Gem-Knights" alone have no way of bouncing back into play once they're [[banish]]ed, making "[[Macro]]" Decks a mismatch for them. The introduction of the [[Extra Monster Zone]] severely weakens the Deckdeck's ability to Fusion Summon multiple "Gem-Knights" at once, though the introduction of [[Gem-Knight Phantom Core]] does somewhat mitigate thismain chokepoint. 

* This archetype appears to be based on the "[[Elemental HERO]]" archetype, since a few of their monsters' poses are based on the share similar stats (Level/ATK/DEF) and poses of the with some "Elemental HERO" monsters.<ref>{{cite web |url=http://www.pojo.biz/board/showthread.php?p=22284095#post22284095 |title=<nowiki>[Official Thread]</nowiki> Hidden Arsenal 4 : Special Edition post #120 |author=[[Kevin Tewart]] |date=July 21, 2011 (UTC) |publisher=Pojo.com Forums}}</ref><ref>{{cite web |url=http://www.pojo.biz/board/showthread.php?p=22284170#post22284170 |title=<nowiki>[Official Thread]</nowiki> Hidden Arsenal 4 : Special Edition post #125 123 |author=[[Kevin Tewart]] |date=July 21, 2011 (UTC) |publisher=Pojo.com Forums}}</ref><ref>{{cite web |url=http://www.pojo.biz/board/showthread.php?p=22284193#post22284193 |title=<nowiki>[Official Thread]</nowiki> Hidden Arsenal 4 : Special Edition post #125 |author=[[Kevin Tewart]] |date=July 21, 2011 (UTC) |publisher=Pojo.com Forums}}</ref>** "Gem-Knight" monsters are all of one Attribute ([[EARTH]]), yet have a variety of Types, whereas the anime-based "Elemental HERO" monsters are all of one Type ([[Warrior]]), but of different Attributes.* In context of the "gem" theme, this archetype also appears to be based on the "[[Crystal Beast]]" archetype, since [[Jaden Yuki]] and [[Jesse Anderson]] were friends in the [[Yu-Gi-Oh! GX|anime]] (who used an "Elemental HERO" Deck and a "Crystal Beast" Deck, respectively). * While the four "Gem-Knight" monsters Normal Monsters are all of one Attribute shown to be unarmed, the Fusion Monsters wield weapons befitting their stats and effects (or lack thereof):** "[[Gem-Knight Aquamarine]]" uses a bladed shield** "[[Gem-Knight Ruby]]" uses a polearm** "[[Gem-Knight Topaz]]" uses twin-bladed tonfa** "[[Gem-Knight Amethyst]]" carries a shield and what is either a wand or a slim blade** "[[EARTHGem-Knight Citrine]]" uses a fire sword** "[[Gem-Knight Prismaura]]" wields a lance and shield** "[[Gem-Knight Zirconia]]" is equipped with gigantic fists** "[[Gem-Knight Seraphinite]]" uses a saber** "[[Gem-Knight Master Diamond]]" uses a broadsword embedded with gems.** "[[Gem-Knight Lady Lapis Lazuli]])", which deals effect damage, yet have is depicted without any weapon.** "[[Gem-Knight Lady Brilliant Diamond]]" uses a variety of Typessimple sword.* "Gem-Knight" is the first and, so far, whereas the animeonly archetype to boast seven "[[Polymerization]]"-styled cards: "[[Gem-based Knight Fusion]]", "[[Particle Fusion]]", "[[Pyroxene Fusion]]", "[[Fragment Fusion]]", "[[Absorb Fusion]]", "[[Brilliant Fusion]]", and "[[Scatter Fusion]]".* The archetypal Spell Card "Elemental HERO[[Brilliant Fusion]]" monsters are all formed a splashable engine outside of one Type ("Gem-Knight" archetypal decks, as it can Fusion Summon "[[WarriorGem-Knight Seraphinite]])" using materials from the Deck, granting an Extra Normal Summon, a Level 5 on-field monster, but of different Attributesand mill a specific LIGHT monster into the GY.

{{Archseries navbox}}{{Archseries navbox (anime)}}{{Archseries navbox (Duel Links)}}{{Gem-Archseries navbox (D Team)}}