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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]]* [[Advanced Event Pack 2014 Vol.4]]| anime = [[Yu-Gi-Oh! ARC-V]]| manga =

 "'''Gem-Knight'''" (ジェムナイト ''Jemunaito'') is an [[archetype]] that was released in ''[[Duel Terminal - Vylon Descends!!]]''. They are used by [[Masumi KotsuJulia Krystal]] in the ''[[Yu-Gi-Oh! ARC-V]]''anime. 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]] [[Attribute]], whereas their [[Type]] varies between [[Pyro]], [[Thunder]], [[Aqua]], or [[Rock]] (with one , as well as a few [[Fairy]] 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. All members of this archetype are named after different minerals. Aesthetically, they appear to be a synthesis of [[Jesse Anderson]]'s "[[Crystal Beast]]s" and [[Jaden Yuki]]'s "[[Elemental HERO]]" cards, possibly as a an homage to their friendship in the anime. This is evidenced in cards such as "[[Gem-Knight Fusion]]", whose artwork is clearly a merging of "[[Crystal Release]]" and "[[Miracle Fusion]]". 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, the only archetype to boast five "[[Polymerizationhand]]"-styled cards: "Gem-Knight Fusion", "by [[Particle Fusionbanish]]", "[[Pyroxene Fusion]]", "[[Absorb Fusion]]" and "[[Fragment Fusion]]". Regardless, "Gem Knights" are capable of rapidly Summoning Fusion Monsters with a mere ing 1 "Gem-Knight Fusion" as its ability grants the user to repeatedly return itself to the owner's handmonster 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. Because of thisTheir team symbol is a jewel 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}}A group of warriors endowed with the power of minerals, the "Gem-Knights" value honor above all else and disapprove of battle for the sake of battle. At the provocation of the barbaric "[[Laval]]"," however, they are forced to take up arms and protect the clans from their wanton destruction. However, the "[[Steelswarm]]" begin to invade the surface land, intending to take over. The Gem-Knights join up with the other clans in a temporary union spearheaded by the "[[Vylon]]s". Along the way, they obtain [[Gem-Knight Prismaura|new powers]] with which to resist the "Steelswarm". Although the "Steelswarm" are quickly dispatched, conflict is far from over. The "Vylons" decide to exterminate the clans in order to prevent future wars. 

 "[[Dark-line Warrior CaingorgormCairngorgon, Antiluminescent Knight]]" appears to be a corrupted combination (probably by the "[[lswarm]]" virus) of "Gem-Knight Crystal", with parts of "Gem-Knight Zirconia" (right arm and left leg), "Gem-Knight Master Diamond" (left arm and right leg), and "Gem-Knight Prismaura" (damaged head).==Members==These are the "'''Gem-Knight'''" Fusions and their components.===Main Deck===; Normal Monster

! scope="col" | [[Gem-Knight Fusion]]! scope="col" | Fusion Material 1! scope="col" | Fusion Material 2Type ! scope="col" | Fusion Material 3! Mineral

| [[Gem-Knight AmethystCrystal|Crystal]]| '''Gem-Knight'''| rowspan=2 | [[AquaRock]] || [[wikipedia:Crystal|Crystal]]-Type

| [[Gem-Knight Citrine]]Lapis| '''Gem-Knight'''| [[PyroLapis]]-Type|- | [[Gem-Knight Prismaura]]wikipedia:Lapis lazuli| '''Gem-Knight'''| [[ThunderLapis lazuli]]-Type

| [[Gem-Knight ZirconiaGarnet|Garnet]] || [[Pyro]]| '''Gem-Knight'''| [[Rockwikipedia:Garnet|Garnet]]-Type

| [[Gem-Knight AquamarineSapphire|Sapphire]]|| [[Gem-Knight Aqua]] || [[wikipedia:Sapphire|Sapphire]]| '''Gem-Knight'''

| [[Gem-Knight RubyTourmaline|Tourmaline]]|| [[Thunder]] || [[Gem-Knight Garnetwikipedia:Tourmaline|Tourmaline]]| '''}; Effect Monster{| class="wikitable"! Gem-Knight'''!! Type !! Mineral

| [[Gem-Knight TopazAlexandrite|Alexandrite]]|| rowspan=4 | [[Gem-Knight TourmalineRock]]| '''Gem-Knight'''| [[wikipedia:Alexandrite|Alexandrite]]

| [[Gem-Knight SeraphiniteEmerald|Emerald]]| '''Gem-Knight'''| [[LIGHTwikipedia:Emerald|Emerald]]-Attribute

| [[Gem-Knight Master DiamondLazuli|Lazuli]]| '''Gem-Knight'''| '''Gem-Knight'''[[wikipedia:Lapis lazuli| '''Gem-Knight'''Lapis lazuli]]

| [[Gem-Knight Lady Lapis LazuliObsidian|Obsidian]]|| [[Gem-Knight Lapiswikipedia:Obsidian|Obsidian]]| '''Gem-Knight'''

| [[Gem-Knight Lady Brilliant DiamondQuartz|Quartz]]| '''Gem-Knight'''| '''Gem-Knight'''[[Fairy]] || '''Gem-Knight'''[[wikipedia:Quartz|Quartz]]

; Effect Monster (Rose series)These are the A small series of cards that simultaneously support "'''Gem-Knight'''" cards and the "[[Melodious]]".* [[Brilliant Rose]]* [[Crystal Rose]] (although it is not a "Gem/Creature that they are based off.-Knight" monster); Gemini Monster

! scope="col" | Gem-Knight! scope="col" | Gemstone/Creature! Type !! Mineral

| [[Gem-Knight AlexandriteAmber|Amber]] || [[Thunder]]|| [[wikipedia:AlexandriteAmber|AlexandriteAmber]]

| [[Gem-Knight AmberIolite|Iolite]] || [[Aqua]]|| [[wikipedia:AmberCordierite|AmberIolite]]

| [[Gem-Knight AmethystSardonyx|Sardonyx]] || [[Pyro]]|| [[wikipedia:AmethystOnyx|AmethystSardonyx]]|}===Extra Deck===; Fusion Monster (Specific Normal Monster material){| class="wikitable"! Gem-Knight !! Listed Fusion Material !! Type !! Mineral

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

| [[Gem-Knight CitrineLady Lapis Lazuli|Lady Lapis Lazuli]] || [[Gem-Knight Lapis]]|| [[Rock]] || [[wikipedia:CitrineLapis lazuli|CitrineLapis lazuli]]

| [[Gem-Knight CrystalRuby|Ruby]] || [[Gem-Knight Garnet]]|| [[Pyro]] || [[wikipedia:CrystalRuby|CrystalRuby]]

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

| [[Gem-Knight GarnetAmethyst|Amethyst]] || 1 [[Aqua]]monster || [[Aqua]] || [[wikipedia:GarnetAmethyst|GarnetAmethyst]]

| [[Gem-Knight IoliteCitrine|Citrine]] || 1 [[Pyro]]monster || [[Pyro]] || [[wikipedia:CordieriteCitrine|IoliteCitrine]]

| [[Gem-Knight LazuliPrismaura|Prismaura]], || 1 [[Gem-Knight LapisThunder]] and monster || [[Gem-Knight Lady Lapis LazuliThunder]]|| [[wikipedia:Lapis LazuliPrism (geology)|Lapis LazuliPrism]]

| [[Gem-Knight Master Lady Rose Diamond|Lady Rose Diamond]] and || 1 [[Gem-Knight Lady Brilliant DiamondFairy]] monster || rowspan=2 | [[Fairy]]|| [[wikipedia:Diamond|Diamond]]

| [[Gem-Knight ObsidianSeraphinite|Seraphinite]] || 1 [[LIGHT]]monster || [[wikipedia:ObsidianSeraphinite|ObsidianSeraphinite]]

| [[Gem-Knight PrismauraZirconia|Zirconia]]|| 1 [[Rock]] monster || [[Rock]] || [[wikipedia:Prism Zircon|Zircon]]|}; Fusion Monster (geology3 "Gem-Knight" materials){|Prism]]class="wikitable"! Gem-Knight !! Type !! Mineral

| [[Gem-Knight PearlLady Brilliant Diamond|Lady Brilliant Diamond]] || rowspan=2 | [[Rock]]|| rowspan=2 | [[wikipedia:PearlDiamond|PearlDiamond]]

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

| [[Gem-Knight SardonyxPearl|Pearl]]|| rowspan=2 | [[Rock]] || [[wikipedia:OnyxPearl|SardonyxPearl]]

| [[Gem-Knight SapphirePhantom Quartz|Phantom Quartz]]|| [[wikipedia:SapphirePhantom quartz|SapphirePhantom quartz]]|}===Related===* [[Gem-Armadillo]]* [[Gem-Elephant]]| * [[Gem-Merchant]]* [[Gem-Turtle]]==Playing style== The "Gem-Knight Seraphinite" archetype focuses on [[Fusion Summon]]| ing, accomplished with the use the archetype's many Fusion Summon-[[wikipedia:Seraphinite|SeraphiniteSpell]] s/ [[wikipediaTrap]]s and a wide array of recycling effects. The "Gem-Knight" Fusion Monsters each have their own effects, ranging from battle support, card destruction, to burn damage. They either require a specific "Gem-Knight" Normal Monster + any "Gem-Knight" monster as material, any "Gem-Knight" monster + any monster of a specific Type/Attribute as 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:Seraph{|Seraph]]class="wikitable"! Fusion Spell/Trap !! Spell/Trap !! Effects !! Notes

| [[Gem-Knight TopazFusion]]| [[wikipedia:Topaz|Topaz]]rowspan = 5 | Spell || Fusion Summons using hand/field materials, and can recover itself from GY. || Critically important; searchable by "Gem-Knight" support, no once-per-turn clause and can be repeatedly used and reused.

| [[Gem-Knight TourmalineParticle Fusion]]| [[wikipedia:Tourmaline|Tourmaline]]Fusion Summons using field materials, grants Fusion Monster ATK boost. || Situational; requires field setup and ATK boost is marginally useful.

| [[Absorb Fusion]] || Searches 1 "Gem-Knight Zirconia]]" card, then Fusion Summons using hand/field materials, by banishing them. Also applies Special Summoning restriction. | [[wikipedia:Zircon|Zircon]]Situational; searching effect increases consistency, but banish fusion prevents GY effects, and also archetype-locks the player's summons.

| [[Gem-ArmadilloBrilliant Fusion]]| [[wikipedia:Carnelian|Carnelian]] / [[wikipedia:ArmadilloFusion Summons using Main Deck materials, but with ATK penalty. ||Armadillo]]Important; fusing from Deck removes the need to search materials, and can even grant card advantage by strategically milling useful cards.

| [[Gem-ElephantScatter Fusion]]| [[wikipedia:Red beryl|Red beryl]] / [[wikipedia:ElephantIf your opponent controls a monster, Fusion Summons non-Rock "Gem-Knight" using Main Deck materials. Also applies Extra Deck Special Summoning restriction.|Elephant]]Conditionally valuable; despite also fusing from Deck, the restrictions on the card's effects forces a going-second beatdown-focused build.

| [[Gem-MerchantPyroxene Fusion]]| [[wikipedia:Turquoise|Turquoise]] / [[wikipedia:Magician (fantasy)rowspan = 2 |Magician]]Trap |-| [[Gem-Turtle]]Fusion Summons using hand/field materials. | [[wikipedia:Jade|Jade]] / [[wikipedia:Turtle|Turtle]]Situational; Traps are delayed by one turn.

 ==Play style== The "Gem-Knight" employs rapid A key monster to the archetype's general strategy is their LINK 2 [[Fusion Summon|Fusion]] [[BeatdownLink Monster]] strategy (similar to "[[Elemental HEROGem-Knight Phantom Quartz]]" monsters), accomplished with who is both a searcher for all archetypal cards, and also a Fusion Summoning extender able to Fusion Summon by shuffling materials in the GY or Banish Pile back into the use Deck.To quickly search out the archetype's five monsters for use as Fusion Spells/Traps and a wide array materials, the archetype can make use of recycling effectsarchetype-specific support (e.g. The : "[[Gem-KnightArmadillo]]" Normal Monsters benefit from most ), Normal Monster support cards, as well as (e.g.: "[[Gem-MerchantRescue Rabbit]]", whose effect resembles that of "[[Blackwing - Kalut the Moon ShadowUnexpected Dai]]"), or [[Rock]] support (e.g. "[[Gem-Knight AlexandriteAdamancipator Researcher]]" and , "[[Gem-ArmadilloBlock Dragon]]" provide excellent search power to facilitate this strategy). The archetype's key card is "[[Gem-Knight FusionCrystal Rose]]", which, apart from granting access to its vast arsenal of powerful Fusions, is an indirect searcher that can return itself to the hand at copy the price name of a any "Gem-Knight" banished from the Graveyard. [[Discard]] effects can come monster in handy: cards such Deck (allowing it to be used as a Fusion or Link Material), and sends a "[[Phoenix Wing Wind Blast]]Gem-Knight" can remove threats from the fieldDeck to GY, while also loading the Graveyard to pay this costwhich can trigger floating effects. "[[D.D.R. - Different Dimension ReincarnationCrystal Rose]]" and "[[Chaos ZoneBrilliant Rose]]" can re-both have effects to Special Summon themselves and copy the "Gem-Knights" banished via name of a "Gem-Knight Fusion"monster, essentially rendering the cost moot and restocking the hand with materials providing indirect searching for another specific Fusion SummonMaterials. Pairing To search out the archetype's Fusion Spells, external "Fusion" support cards like "[[Gem-Knight Master DiamondPredaplant Darlingtonia Cobra]]" with the Field Spell and "[[Catapult ZonePredaplant Ophrys Scorpio]]" is also a good tactic. As the effect of can be used, but "Master DiamondPhantom Quartz" allows it alone can be used to gain 100 ATK with every search out "[[Gem-KnightFusion]]" in the Graveyard, it's prevented from getting destroyed by battle once per turn which can then be repeatedly used and send one Rock-Type from the Deck to the Graveyard insteadreused. By feeding in cards such as "[[Gem-Knight LazuliQuartz]]", it's ATK will steadily rise over 3000, which causes it to become less vulnerable and it can come in handy when dealing with cards such as search out the powerful "[[Hieratic Sun Dragon Overlord of HeliopolisBrilliant Fusion]]". The release of both [[Xyz Monster]]s and "[[Rescue RabbitScatter Fusion]]" give "Gem-Knights" another welcome boost, but has heavy restrictions attached to it. "Rescue Rabbit" can bring out the materials for any Two key "Gem-Knight" Fusion Monsters (or even Xyz Summoning monsters, "[[Gem-Knight PearlObsidian]]"), and the effect of "[[Gem-Knight AmberLazuli]]" , have non-once per turn effects that can return a banished "Rabbit" recycle the player's monsters when sent to the hand GY, compensating for further usagethe costs of Fusion Summoning and extending the player's Fusion plays. == Recommended cards =={{Decklist|Vanilla Style|normal monsters =*"[[Gem-Knight GarnetQuartz]]*[[Gem" also has a GY recycle effect if it's used as a Fusion Material, albeit being once-per-Knight Sapphire]]turn only.*[[===Gem-Knight Tourmaline]]|effect monsters Beatdown===*[[Box of Friends]]*[[The intended strategy for the "Gem-Armadillo]]*Knight" archetype is likely a [[Gem-Knight Alexandritebeatdown]]*[[Gem-Knight Lazuli]]*[[focused one, focusing on Fusion Summoning multiple "Gem-Knight Obsidian]]*[[Neo-Spacian Grand Mole]]*[[Redox" Fusion Monsters, use them to remove the opponent's cards, Dragon Ruler and defeat the opponent with the high ATK of Boulders]]the Fusion Monsters.*[[Rescue Rabbit]]*[[Summoner Monk]]*[[Snipe Hunter]]*[[Thunder Dragon]]*[[Tragoedia]]*[[Volcanic Shell]]|fusion monsters =*[[==Gem-Knight Amethyst]]FTK===*This is an [[Gem-Knight AquamarineFTK]]*strategy focused on using the effect of "[[Gem-Knight CitrineLady Lapis Lazuli]]*" and "[[Gem-Knight Master Diamond]]*" (copying the effect of "Lady Lapis Lazuli") to repeatedly [[Gem-Knight Pearlburn]]the opponent.*[[Gem-Knight Prismaura]]*[[Gem-Knight Ruby]]*[[Gem-Knight Seraphinite]]*[[Gem-Knight Topaz]]*[[Gem-Knight Zirconia]]|synchro monsters =*[[Stardust Dragon]]|xyz monsters =*[[Daigusto Emeral]]*[[Evilswarm Ouroboros]]*[[Fairy King Albverdich]]*[[Gaia Dragon, "Lady Lapis Lazuli" can inflict 500 damage to the Thunder Charger]]*[[Infernal Flame Vixen]]*[[Lavalval Chain]]*[[Leviair opponent for each Special Summoned monster on the Sea Dragon]]*[[Princess Cologne (card)|Princess Cologne]]|spells =*[[Burial from a Different Dimension]]*[[Creature Swap]]*[[Dfield.D.R. - Different Dimension Reincarnation]]*[[Dark Factory However, "Lapis Lazuli" can only be Special Summoned once per turn, necessitating the use of Mass Production]]*[[Gem-Knight Fusion]]*[[Super Polymerization]]|traps =*[[Common Charity]]*[[Justi-Break]]*[[Phoenix Wing Wind Blast]]*[[Pyroxene Fusion]]*[[Fragment Fusion]]}} {{Decklist|Gemini Style|"Master Diamond" to copy the effect monsters =*[[Gem-Armadillo]]*[[of "Lady Lapis Lazuli" and reuse its effects. Generally, Gem-Knight Amber]]*[[Gem-Knight Iolite]]*[[Gem-Knight Obsidian]]*[[Gem-Knight Sardonyx]]*[[Gem-Merchant]]*[[Gem-Turtle]]*[[Grandsoil FTK aims to swarm the Elemental Lord]]|fusion player's own field with monsters =*[[Gem-Knight Amethyst]]*[[Gem-Knight Citrine]]*[[Gem-Knight and activate the effects of "Lady Lapis Lazuli" once and "Master Diamond]]" twice to inflict around 8000 damage to the opponent, achieving an FTK.*[[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 =*[[Burial from a Different Dimension]]*[[Dark Factory of Mass Production]]*[[D.D.R. - Different Dimension Reincarnation]]*[[Gem-Knight Fusion]]*[[Gemini Spark]]*[[Supervise]]*[[Super Polymerization]]|traps =*[[Paradox Fusion]]*[[Pyroxene Fusion]]*[[Fragment Fusion]]}}Recommended cards ==={{Decklist|Maximillian beatdown Style

*[[Alexandrite DragonGem-Knight Crystal]]* [[Gem-Knight Garnet]]*[[Gem-Knight CrystalLapis]]*[[Gem-Knight Sapphire]]*[[Gem-Knight Tourmaline]]

*[[Elemental HERO PrismaGem-Knight Alexandrite]]*[[Gem-Knight AlexandriteEmerald]]*[[Gem-Knight EmeraldLazuli]]*[[Gem-Knight IoliteObsidian]]*[[Gem-Knight ObsidianQuartz]]* [[Brilliant Rose]]* [[Crystal Rose]]* [[Gem-Armadillo]]* [[Gem-Merchant]]*[[Gem-Knight SardonyxTurtle]]* [[Box of Friends]]*[[Rescue Rabbit]]*[[Second BoosterPredaplant Darlingtonia Cobra]] + [[Predaplant Ophrys Scorpio]]* [[Thunder Dragon]]|gemini monsters =* [[Gem-Knight Amber]]* [[Gem-Knight Iolite]]*[[Vylon PrismGem-Knight Sardonyx]]

*[[Gem-Knight Amethyst]]* [[Gem-Knight Aquamarine]]*[[Gem-Knight Citrine]]* [[Gem-Knight Lady Brilliant Diamond]]* [[Gem-Knight Lady Lapis Lazuli]]* [[Gem-Knight Lady Rose Diamond]]* [[Gem-Knight Master Diamond]]*[[Gem-Knight Prismaura]]* [[Gem-Knight Ruby]]* [[Gem-Knight Seraphinite]]*[[Gem-Knight Topaz]]*[[Gem-Knight Zirconia]]|synchro monsters =* [[First of the Dragons]]* [[Thunder Dragon Colossus]] (OCG or Traditional Format only)*[[Stardust Thunder DragonTitan]]

*[[Lavalval ChainGem-Knight Pearl]]* [[Gallant Granite]]|link monsters =* [[Gem-Knight Phantom Quartz]]* [[Aussa the Earth Charmer, Immovable]]* [[Missus Radiant]]* [[Some Summer Summoner]]|normal spells =*[[Catapult ZoneAbsorb Fusion]]*[[Gem-Knight Fusion]]*[[Particle Fusion]]* [[Thunder Dragon Fusion]]* [[Unexpected Dai]]* [[Gravity Balance]]* [[Silent Doom]]|equip spells =* [[D.D.R. - Different Dimension Reincarnation]]* [[Supervise]]|continuous spells = * [[Brilliant Fusion]] ''(OCG or Traditional Format only)''* [[Scatter Fusion]]|quick-play spells =* [[Burial from a Different Dimension]]|normal traps =*[[Bottomless Shifting SandBrilliant Spark]]*[[Fragment Fusion]]*[[A Hero EmergesGem-Enhancement]]*[[Pyroxene FusionBack to the Front]]|continuous traps =* [[Call of the Haunted]]

===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 "[[Gem* Anti-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 Device]]" and "[[Steelswarm Sting]]" can expunge Fusions on the field). "[[Torrential Tribute]]" and "[[Needle CeilingArchlord Kristya]]", 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]]"). A more typical concern would be 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 Domain of the archetype, however, support like "[[Gemini SparkTrue Monarchs]]" can be used to handle threats of this nature. The same applies for cards like "[[Macro Cosmos]]" or "[[Dimensional Fissure]]," so that they will not disrupt completely shut off the stream of Fusionsdeck's game plan. Cards such as "[[Mist Wurm]]", "[[Byser Shock]]", "[[Guardian Sphinx]]" "[[Compulsory Evacuation Device]]", "[[Compulsory Escape Device]]" and "[[Neo* Anti-Spacian Grand Mole]]" can also get rid of your "Gem-Knights" Fusion Monsters (especially useful for dispatching Spell floodgates like "[[Gem-Knight Aquamarine]]" and "[[Gem-Knight Amethyst]]"). "[[Effect VeilerNaturia Beast]]" or "[[Divine WrathImperial Order]]" 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 "[[Rescue Rabbit]]" also included in prevent the mix, since "Rabbit" can only Special Summon those Normal Monsters deck from the Deck. using "[[Gem-TurtleKnight Fusion]]" can sometimes provide a remedy, as it retrieves a copy 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 (* GY floodgates like "[[Pot of DualityMacro Cosmos]]" 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 prevent 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 deck from 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 theydeck're [[banish]]ed, making "[[Macro]]" Decks a mismatch for thems main chokepoint. 

* While seen mostly as a reference This archetype appears to both be based on the "[[Elemental HERO]]" archetype, since a few of their monsters share similar stats (Level/ATK/DEF) and poses with some "Elemental HERO" monsters.<ref>{{cite web |url=http://www.pojo.biz/board/showthread.php?p=22284095#post22284095 |title=<nowiki>[[Crystal BeastOfficial Thread]]" </nowiki> Hidden Arsenal 4 : Special Edition post #120 |author=[[archetypeKevin Tewart]]s|date=July 21, "Gem-Knights" can also reference the ''2011 |publisher=Pojo.com Forums}}</ref><ref>{{cite web |url=http://www.pojo.biz/board/showthread.php?p=22284170#post22284170 |title=<nowiki>[[wikipediaOfficial Thread]</nowiki> Hidden Arsenal 4 :Power RangersSpecial Edition post #123 |Power Rangersauthor=[[Kevin Tewart]]''|date=July 21, 2011 |publisher=Pojo.com Forums}}</''ref><ref>{{cite web |url=http://www.pojo.biz/board/showthread.php?p=22284193#post22284193 |title=<nowiki>[[wikipediaOfficial Thread]</nowiki> Hidden Arsenal 4 :Super SentaiSpecial Edition post #125 |Super Sentaiauthor=[[Kevin Tewart]]'' series (much like the "Elemental HERO" monsters pay Tribute to American comic's|date=July 21, 2011 |publisher=Pojo.com Forums}}</ref> ** "Gem-KnightsKnight" monsters are all of one Attribute ([[EARTH]]), yet have a variety of Types, whereas most the anime-based "Elemental HERO" monsters are nearly 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" Normal Monsters are 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** "[[Gem-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, is depicted without any weapon.** "[[Gem-Knight Lady Brilliant Diamond]]" uses a simple sword.{{* "Gem-Knight" is the first and, so far, only archetype to boast seven "[[Polymerization]]"-styled cards: "[[Gem-Knight Fusion]]", "[[Particle Fusion]]", "[[Pyroxene Fusion]]", "[[Fragment Fusion]]", "[[Absorb Fusion]]", "[[Brilliant Fusion]]", and "[[Scatter Fusion]]".* The archetypal Spell Card "[[Brilliant Fusion]]" formed a splashable engine outside of "Gem-Knight" archetypal decks, as it can Fusion Summon "[[Gem-}}Knight Seraphinite]]" using materials from the Deck, granting an Extra Normal Summon, a Level 5 on-field monster, and mill a specific LIGHT monster into the GY.