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{{Infobox archetypearchseries| cut_from_names = true| image = IronCoreofKoakiMeiru-TF04MADU-JPEN-VG-artwork.png| ja_name = コアキメイル| caption = "[[Iron Core of Koa'ki Meiru]]"| romaji = Koakimeiru| trans = Core Chimail| fr_name = Koa'ki Meiru| de_name = Koa'ki Meiru| it_name = Koa'ki Meiru| ko_name = 코아키메일의코아키메일| ko_romanized = Koakimeil-Ui| ko_trans = Koa Chimail| pt_name = Koa'ki Meiru| es_name = Koa'ki Meiru| sets =

* [[Primal Origin]]* [[Secrets of Eternity]]* [[Rise of the Duelist]]| tcg =* [[Duelist Pack Collection Tin 2009]]* [[Stardust Overdrive Sneak Peek Participation Card]]* [[Turbo Pack: Booster Two]]* [[Turbo Pack: Booster Three]]* [[Battle Pack 3: Monster League]]* [[Secret Slayers]]* [[Battles of Legend: Armageddon]]* [[Battles of Legend: Crystal Revenge]]| ocg =* [[V Jump June 2009 promotional cardscard]]* [[Extra Pack Volume 3]]

 "'''Koa'ki Meiru'''", Japanese for "'''Core Chimail'''" (コアキメイル ''Koakimeiru''), a combination of the words "Core", "Chimera" and "Mail"), sometimes romanized as "'''Core Chimair'''" (a combination of the words "Core" and "Chimera,") is an [[archetype]] of cards from debuted in ''[[Raging Battle]]'', ''[[Ancient Prophecy]]'', ''[[Stardust Overdrive]]'', ''[[Absolute Powerforce]]'' and ''[[The Shining Darkness]]''. The support card "[[Koa'ki Ring]]" and other "[[Anti-Meta]]" cards appear in ''[[Starstrike Blast]]''.==Lore==The majority of their effects center around manipulating the "[[Iron Core of Koa'ki Meiru]]" or [[reveal]]ing one in your hand to activate an effect. Almost all of the monsters require a maintenance cost in the form of sending an Iron Core to the grave or revealing a monster of the same type. There are exceptions, such as that of "[[Koa'ki Meiru Powerhand]]", where you must reveal a [[Normal Trap Card]], or "[[Koa'ki Meiru Valafar]]" where you have to send an "Iron Core of Koa'Ki Meiru" and cannot reveal any {{Main|Master Guide 3 card in your hand instead. Another is "[[storylines#File Number 05: Koa'ki Meiru Ice]]", where a '[[Continuous Spell Card]]" is revealed.  "Koa'ki Meiru" are all [[EARTH]], [[WIND]], [[WATER]] or [[FIRE]] Attribute monsters, rendering them immune to their own control based effects which often affect [[LIGHT]] and [[DARK]] monsters. All of the "Koa'ki Meiru" have the same mark (3 dragons) on some part of their body or on a weapon they have. Also, many "Koa'ki Meiru" and related cards' artwork uses yellow, orange, and red, except for "[[Koa'ki Meiru Ghoulungulate]]".}}

 ==Playing StyleEtymology==The theme was initially designed to bring down "Koa'ki Meiru" is a combination of the dominating Decks of over 2 banlists words "Core", "Chimera" and therefore centered around heavy control elements. Seeing "Mail", sometimes romanized as "Core Chimair" (a combination of the meta was ''completely'' dominated by LIGHT and DARK Decks, effects specifically targeted both Attributes therefore bringing about a specific words "MetaCore", and "Anti-MetaChimera" theme). Because of their high [[ATK]], 11 Level 4 monsters from 1900 ATK, topping out at 3000 (==Design==The "Koa'ki Meiru Valafar" archetype consists of a plethora of different creatures, featuring elementals, dragons, statues, warriors and many more and can overall be described as a mishmash of art styles. They don't really have any connection in design or color, except for the fact that all of the "[[Koa'ki Meiru Maximus]]Meirus"), and have the nature same mark (3 dragons) on some part of the new support, the theme has taken their body or on a more aggressive approach with powerful beatdown elements, namely "[[weapon they use.==Playing style=="Koa'ki Meiru Rooklord" is a [[stun]]" and "/[[Koa'ki Meiru Urnightcontrol]]". Generally speaking, there are two ways to use "KoaDeck revolving around fulfilling its monsters'ki Meiru" cards. The most obvious is simply [[maintenance cost]]s in order to use a dedicated Deck; keep them on the field and apply their field-controlling effects. Secondarily, the other way is to use individual archetype revolves around interactions with the Normal Spell "Koa[[Iron Core of Koa'ki Meiru]]" monsters as a supplement to Type specific Decks of their type, giving an .Almost every "Anti-MetaKoa'ki Meiru" controlling aspect to it as well as being able to maintain it through the alternative monster has a maintenance cost; for example, using "that must be performed during each of the player's [[Koa'ki End Phase]]s, otherwise they will destroy themselves. "Koa'ki Meiru Drago]]" in monsters typically have a choice of two actions for their maintenance costs; the options are typically sending an "[[Dragon]]Iron Core" type Deck as seen from the player's hand to the Graveyard, or revealing a card in "[[Disaster Dragon]]" buildsthe player's hand (typically a monster of their same type). In order to run a {| class="Koa'ki Meiruwikitable mw-collapsible autocollapse" Deck, no matter the style, you'll need multiple ways to retrieve the ="margin-left: auto; margin-right: auto; border: none; text-align: center"Iron Core of |+ {{nowrap|Koa'ki Meiru" from your Deck and Graveyard. Good cards for this include "[[Monsters & Maintenance Costs}}! rowspan = 2 | Koa'ki Meiru Boulder]]", "[[Koa! rowspan = 2 | Level! rowspan = 2 | Attribute! rowspan = 2 | Type! colspan = 2 | Maintenance Cost|-! Option 1! Option 2|-| [[Koa'ki Meiru CrusaderMaximus|Maximus]]|| 8 || WIND || Dragon| rowspan = 20 | Send 1 ", and Iron Core"[[Core Transport Unit]]| Send 1 ". Koa'ki Meiru"monster|-| [[Iron Core Immediate DisposalKoa'ki Meiru Valafar|Valafar]]" is also nice mid game after building up resources in your hand. Cards that help thin the deck or dump the "Core" into the Graveyard help make the deck faster and more consistent. You must also be wary of keeping more on field than you can maintain. Your field should max out at 2 "|| 8 || FIRE || Fiend| —|-| [[Koa'ki Meiru Rooklord|Rooklord]] || 7 || EARTH || Warrior| Reveal 1 Warrior monster|-| [[Koa'ki Meiru's" requiring maintenance with multiple "Cores" in play as well as an alternative cost ready in hand. With this in mind it would be wise to play multiple cards of the same Type, making your field easier to maintain. However, with the release of [[Xyz MonsterGhoulungulate|Ghoulungulate]] || 5 || EARTH || Zombie| Reveal 1 Zombie monster|-| [[Koa'ki Meiru Powerhand|Powerhand]]s, you can simply overlay any "|| 4 || EARTH || Machine| Reveal 1 Normal Trap|-| [[Koa'ki Meiru" Monsters that you may not have a maintenance for.Urnight|Urnight]] || 4 || EARTH || Beast-Warrior| Reveal 1 Beast-Warrior monster|-Beatdown uses a different lineup, using a minimum of control but only the best in the form of "| [[Koa'ki Meiru Rooklord" and "Koa'ki Meiru Drago". The main attackers are "Bergzak|Bergzak]] || 4 || EARTH || Warrior| Reveal 1 Warrior monster|-| [[Koa'ki Meiru BergzakDrago|Drago]]", "|| 4 || WIND || Dragon| Reveal 1 Dragon monster|-| [[Koa'ki Meiru Powerhand" and "Beetle|Beetle]] || 4 || EARTH || Insect| Reveal 1 Insect monster|-| [[Koa'ki Meiru Rooklord". With the addition of "Crusader|Crusader]] || 4 || EARTH || Beast-Warrior| Reveal 1 Beast-Warrior monster|-| [[Koa'ki Meiru Urnight" from ''Gravirose|Gravirose]] || 4 || FIRE || Plant| Reveal 1 Plant monster|-| [[Absolute Powerforce]]'', you gain a swarm/toolbox element. "Koa'ki Meiru Ghoulungulate" is nice protection but your tribute fodder is best used on "Rooklord". Spell/Trap protection is a better option.Overload|Overload]] || 4 || EARTH || Rock| Reveal 1 Rock monster|-You can also play an "RFG | [[Koa'ki Meiru" Deck. "Ghoulungulate" can protect your monsters while setting you up for "Guardian|Guardian]] || 4 || EARTH || Rock| Reveal 1 Rock monster|-| [[Return from the Different DimensionKoa'ki Meiru Sandman|Sandman]]". Self|| 4 || EARTH || Rock| Reveal 1 Rock monster|-Milling elements are recommended to load your grave. The set up takes time so you can use "| [[Royal OppressionKoa'ki Meiru Wall|Wall]]" as you aren't in a rush. "|| 4 || EARTH || Rock| Reveal 1 Rock monster|-| [[Cyber ValleyKoa'ki Meiru Ice|Ice]]" is also a great asset to the Deck.|| 4 || WATER || Aqua| Reveal 1 Continuous Spell|-==Weaknesses==Because "Iron Core of | [[Koa'ki Meiru" may often be in the Graveyard it is vulnerable to cards that can banish it such as "[[Gladiator Beast RetiariSea Panther|Sea Panther]]" and "|| 4 || WATER || Sea Serpent| Reveal 1 WATER monster|-| [[Macro Cosmos]]". Also, having multiple "Koa'ki Meiru" monsters on the field at once can be extremely dangerous as each one would require you to reveal a card or discard a card from your hand at the End Phase, leaving your hand and field advantage very hard to maintain unless multiple copies are used (for example, War Arms|War Arms]] || 4 || EARTH || Warrior| Reveal 1 Warrior monster|-| [[Koa'ki Meiru Doom|Doom]] || 3 "|| WIND || Fiend| Reveal 1 Fiend monster|-| [[Koa'ki Meiru Powerhands" only require Speeder|Speeder]] || 3 || WIND || Machine| Reveal 1 Normal Trap Card revealed). Machine monster|}A good way to avoid problems with this is to keep a duplicate small number of the specific monsters in your hand-usually, "Koa'ki Meiru" Monsters require you to reveal a monster of the same type so you can reveal a duplicate or another monsters do not have maintenance costs.{| class="Koa'ki Meiruwikitable mw-collapsible autocollapse" of the same type. style="margin-left: auto; margin-right: auto; border: none; text-align: center" |+ {{nowrap|Koa'ki Meiru Monsters w/o Maintenance Costs}}! Koa'ki Meiru" monsters are very reliant on the hand and so cards like "! Level! Attribute! Type|-| [[Card DestructionKoa'ki Meiru Prototype|Prototype]]", "|| 4 || EARTH || Rock|-| [[Mind Crush]]", or "Koa'ki Meiru Tornado|Tornado]] || 4 || WIND || Winged Beast|-| [[D.D. DesignatorKoa'ki Meiru Supplier|Supplier]]" can completely disrupt the player's strategy and cards like "|| 4 || EARTH || Rock|-| [[Trap DustshootKoa'ki Meiru Boulder|Boulder]]" or even "|| 4 || EARTH || Rock|-| [[Des Koala]]" can deal serious damage.Koa'ki Meiru Hydro Barrier|Hydro Barrier]] || 3 || WATER || Aqua|}One way to beat the In gameplay, "Koa'ki Meiru" format is to monsters have the opponent permanently reveal their hand to you on their turns in order to make them either discard an a variety of effects, ranging from consistency support, battle, destruction, or negation focused effects. A number of "Iron Core of Koa'ki Meiru" or destroy the card since they cannot "reveal" the card to you. Such cards include monsters (e.g. "[[Respect PlayKoa'ki Meiru Drago|Drago]]" and "[[Ceremonial BellKoa'ki Meiru Doom|Doom]]". ") have effects focused on countering [[BanishLIGHT]]" Decks can banish "Iron Core of Koa'ki Meiru" and so you have to rely on your revealing effect. To protect yourself from this, it is a good idea to have "[[NecrovalleyDARK]]monsters (which were likely intended as " anti-meta" options against their contemporary LIGHT and a DARK-based meta Decks).Four Level 4 EARTH Rock "Koa'ki Meiru" monsters ("[[Burial from a Different DimensionKoa'ki Meiru Overload|Overload]]" in your , "[[Side DeckKoa'ki Meiru Guardian|Guardian]].  "Hand Control, " Decks present the biggest threat by being able to specifically remove assets essential to the Deck. ==Playing Tips==This Deck revolves around [[Koa'ki Meiru Sandman|Sandman]]"Anti-Meta, ". Obviously, the most important card in the Deck is "Iron Core of [[Koa'ki MeiruWall|Wall]]", so having three in your Deck is ) also form a thematic sub-series with a must. Most of the monsters are used against single effect pattern: each of them can [[Effect Monstersnegate]], mostly DARK and LIGHT monsters, since they are the commonly used Decks an opponent's action (summoning a monster or activating a card/effect of a card type) by tributing themselves."[[Infernities]]", "[[Lightsworns]]Koa'ki Meiru"cards can be played as staples in other Typing-focused Decks, or played as a single dedicated Deck. As a dedicated "[[Blackwings]]" etc.). Most Koa'ki Meiru Decks should focus on " Deck, the negation effects of Deck primarily focuses on the Level 4 EARTH Rock "[[Koa'ki Meiru Wall]]"monsters due to their accessibility, "power, and synergy with [[Koa'ki Meiru SandmanRock]] support; they form a part of the popular "[[Rock Stun]]", and Deck.The Deck's main searchers are "[[Diamond Core of Koa'ki Meiru Guardian]]" and the card advantage and swarming effects of , "[[Koa'ki Meiru CrusaderUrnight]]" , and "[[Koa'ki Meiru UrnightSupplier]]" using . Aside from the other "Rock Stun" "Koa'ki Meiru" Monsters according to the Deck's main strategy. In additionmonsters, other relevant high-power (and low-cost) "Koa'ki Meiru Ice" monsters include the LIGHT and DARK hard counters "[[Koa'ki Meiru TornadoDrago]]" are wonderful in punishing your opponent's powerful Special Summoned Monsters. and "[[Koa'ki MeirusMeiru Doom]]", the card-destroying " can also work well with support for [[Equip Spell Card]]s. Using cards like Koa'ki Meiru Ice]]" and "[[Hidden ArmoryKoa'ki Meiru Tornado]]", and the mass effect negation of "[[Iron Core Armor]Koa'ki Meiru Hydro Barrier]]" can be recycled just as much as the . While "Iron Core" itself. "[[Core Blaster]]of Koa'ki Meiru" is also extremely powerfulcentral to the archetype's playstyle, and even a single copy could destroy decks that focus heavily on LIGHT and DARK monstersthere are multiple dedicated searchers for it (e.g. "Koa'ki Meiru Bergzak" works very well with any ATK-boosting effect, and "[[Iron Blacksmith Kotetsu[[Core Transport Unit]]" fits on ), the fact that the deck since itcard doesn's a [[Beast-Warrior]]. t have any effects itself and is purely an enabler for certain specific cards means that more modern "[[Trade-In]]Koa'ki Meiru" can work well if you are using will typically try to downplay its importance, in favor of other external enablers (and maintenance cost providers) like "[[Beast King BarbarosAdamancipator]]" or "[[Grandsoil the Elemental Lord]]" to reveal for "Koa'ki Meiru Urnight" and "Koa'ki Meiru Crusader". Other Level 8 monsters to work with "Trade-In" are "Koa'ki Meiru Valafar" and "Koa'ki Meiru Maximus". It would be wise to include cards that return monsters and other cards to your or your opponent's hand. For example, "[[Compulsory Evacuation Device]]" or "[[Penguin Soldier]]" can both remove threats from the field or keep a "Koa'ki Meiru" alive for a turn or even using it for the maintenance.  Usual "Anti-Meta" tricks like "[[Grave of the Super Ancient Organism]]" or "Royal Oppression" work fairly well, since "Koa'ki Meirus" can maintain a solid game even without Special Summoning.  Although most "Koa'ki Meiru" monsters have difficulty staying on the field, a few of them work incredibly well together, sharing types or common reveals that help ensure their survival on the field. However, because most are level 4, they can be used for an [[Xyz Summon]] before they are destroyed during the End Phase. * "Koa'ki Meiru Urnight" and "Koa'ki Meiru Crusader" are [[Beast-Warrior]]-Type monsters and have the same reveal requirement, while allowing for a good presence on the field and card advantage. "Urnight" can Special Summon another level 4 "Koa'ki" from the Deck for a quick Xyz Summon and "Crusader" can recover "Urnight" after it has been detached.  * "Koa'ki Meiru Wall", "Koa'ki Meiru Sandman", "Koa'ki Meiru Guardian", "Koa'ki Meiru Boulder", "[[Koa'ki Meiru Prototype]]" and "[[Gigantes]]" can be extremely aggressive when combined, as well as controlling the field and hand. "Wall", "Sandman", and "Guardian" all have effect negation abilities: they are used for a "Rock Stun" deck. "Boulder" and "Prototype" are both extremely useful for "Koa'ki Meiru" monsters because they do not require the normal sacrifice-"Boulder" is used to search for other "Koa'ki Meiru" monsters or "Iron Cores", while "Prototype" can sacrifice itself to prevent a "Koa'ki Meiru" monster from being destroyed during the end phase of the turn. * "Koa'ki Meiru Maximus" can be used as the reveal cost for "Koa'ki Meiru Drago". "Drago's" effect serves as disruption, while you gather "Iron Core of Koa'ki Meiru" for "Maximus's" final push for game. "Maximus" is often a dead draw early on, however; and it is difficult to maintain once it hits the field, making it a very powerful but also very temperamental boss monster. Use with caution. * "[[Koa'ki Meiru Doom]]" and "Koa'ki Meiru Valafar" also work together, usually in a different Deck revolving around "[[Evil Hero Dark Gaia]]" and "[[Dark Fusion]]". * "[[Koa'ki Meiru Speeder]]" can null the costs for "Koa'ki Meiru Tornado" and "[[Koa'ki Meiru Hydro Barrier]]", as well as working with "Koa'ki Meiru Powerhand" due to their high ATK and DEF and low Levels. * "Koa'ki Meiru Ghoulungulate" has a protection effect which can be easily achieved by building up a good Graveyard size with "Iron Core Specimen Lab" and "Koa'ki Meiru Urnight". "Koa'ki Meiru Ghoulungulate" can easily be brought out with [[Pyramid Turtle]]'s" effect, and keeps a good Tribute fodder for "Koa'ki Meiru Rooklord". Since both Banish, "Burial from a Different Dimension" and "Return from the Different Dimension" can be very useful. Finally, a few cards have the heavy cost of discarding a [[Spell Card]] from your hand (like "[[Summoner Monk]]", "[[Cursed Seal of the Forbidden Spell]]" and "[[Chiron the Mage]]"), but "Koa'ki Meiru" Decks can recycle the "Iron Core of Koa'ki Meiru" as long as they want to, making these much more consistent than any other Deck. ==Recommended Cards=====Monsters other than "Koa'ki Meiru" monsters=======[[Rock]]====(For [[Koa'ki Meiru Guardian]]/[[Koa'ki Meiru Sandman]]/[[Koa'ki Meiru Wall]])* [[Gigantes]]* [[Neo-Spacian Grand Mole]]* [[Legendary Jujitsu Master]]* [[Fossil Dyna Pachycephalo]]* [[Block Golem]] ====[[Beast-Warrior]]====(For [[Koa'ki Meiru Crusader]]/[[Koa'ki Meiru Urnight]])* [[Beast King Barbaros]]* [[Chiron the Mage]]* [[Pitch-Black Warwolf]]* [[Reborn Tengu]]* [[T.G. Warwolf]]* [[Winged Rhynos]] ====[[Warrior]]====(For [[Koa'ki Meiru Bergzak]]/[[Koa'ki Meiru Rooklord]]/[[Koa'ki Meiru War Arms]])* [[D.D. Warrior Lady]]* [[Blizzard Warrior]]* [[Cliff the Trap Remover]]* [[Dark Scorpion - Chick the Yellow]]* [[T.G. Striker]] ====[[Zombie]]====(for [[Koa'ki Meiru Ghoulungulate]])* [[Pyramid Turtle]]* [[Necroface]] ===Koa'ki Meiru "Anti-Meta" Beatdownmonsters.===Recommended cards==={{Decklist|Deck

* [[Koa'ki Meiru SandmanGigantes]]* [[Koa'ki Meiru Beetle]] (Optional)|xyz monsters =* [[Koa'ki Meiru BoulderBrotherhood of the Fire Fist - Tiger King]]* [[Koa'ki Meiru Tornado]]|link monsters =* [[Koa'ki Meiru Hydro BarrierFire Fighting Daruma Doll]]* [[Morphing JarIsolde, Two Tales of the Noble Knights]]* [[Summoner MonkMissus Radiant]]|normal spells=

* [[Diamond Core Transport Unitof Koa'ki Meiru]]* [[Core OverclockCompression]]* [[Pot Reinforcement of Dualitythe Army]]|continuous spells = * [[Koa'ki Meiru Initialize!Fire Formation - Tenki]]* [[Fire Formation - Tensu]]|normal traps =* [[Core BlastReckoned Power]]|counter traps =

|continuous traps =* [[Reckoned PowerAnti-Spell Fragrance]]

 {{Decklist|Gogogo Koa'ki Meiru(2013)<br />ゴゴゴコアキメイル

===Weaknesses===* The Deck's reliance on "Iron Core of Koa'ki Meiru", which has no notable effects itself, means that a "Koa'ki Meiru" Deck that focuses on "Iron Core" can run into issues with dead draws.* A major weakness is the archetypes own maintenance effect. If the player is not careful and summons multiple "Koa'ki Meiru" monsters to the field without thought, it can easily blow up if one is not able to pay all the costs.** Additionally, cards such as "[[Respect Play]]" or "[[Ceremonial Bell]]" can eliminate the majority of the alternative maintenance costs by making it impossible to reveal any cards. In that case, one would be forced to rely on sending "Iron Core" to satisfy maintenance costs.* "Koa'ki Meiru" monsters are very reliant on the hand, therefore any form of "Hand Control" presents a big threat by being able to specifically remove assets essential to the Deck. Cards like "[[Card Destruction]]", "[[Mind Crush]]", "[[D.D. Designator]]" and "[[Trap Dustshoot]]" can completely disrupt the player's strategy.* Like many other decks, "Koa'ki Meiru" does not appreciate its Summons to be negated or blocked. "[[Solemn Warning]]", "[[Solemn Judgment]]", "[[Archlord Kristya]]", "[[Vanity's Fiend]]" or "[[Vanity's Emptiness]]" are all effective against the deck.{{Archseries navbox}}{{Archetype Archseries navbox(Duel Links)}}[[Category:TCG and OCG archetypes]]