Contact Fusion

"Elemental HERO Neos" performing a Contact Fusion in the artwork of "Miracle Contact"

Contact Fusion (Japanese OCG: コンタクト融（ゆう）合（ごう） Kontakuto Yūgō; Japanese Rush Duel: コンタクトフュージョン Kontakuto Fyūjon) is a term which means to Special Summon a Fusion Monster using its own Summoning procedure, instead of being Fusion Summoned normally or Special Summoned by another card's effect.

Contact Fusion is not an official term in the TCG/OCG. However, it has appeared in the Yu-Gi-Oh! GX anime, some official Konami sources, and the flavor text of "Elemental HERO Neos".

Mechanics

Contact Fusion is a built-in Special Summon of a Fusion Monster by that monster's own Summoning procedure, so it is a proper Special Summon and does not start a Chain.

The monsters involved in the Contact Fusion are usually listed as Fusion Materials on the Fusion Monster. However, rarely, the monsters used in a Contact Fusion are fully distinct from the monsters listed as Fusion Materials, and are instead described in the Summoning conditions itself; in all such cases, these Fusion Monsters also have the condition that they can be Fusion Summoned normally.

A Contact Fusion is not a Fusion Summon in the TCG/OCG (although it is in Rush Duel), but the listed monsters are still treated as being used as Fusion Material, so cards that cannot be used as a Fusion Material are still not allowed, unless the restriction is specified to apply for Fusion Summons. In addition, materials used for a Contact Fusion cannot be replaced by Fusion Substitute Monsters.

The location that the Fusion Materials are used from and how they are used are both specified in the card text defining the Special Summon procedure. Fusion Materials for a Contact Fusion are more often used from the field or Graveyard, and can be banished, returned to the Deck, sent to the Graveyard, or Tributed.

If a face-down monster is being used as a material for a Contact Fusion that returns it to the Deck, the player conducting the Summon must show that monster before shuffling it into the Deck to allow the opponent to verify the card's identity. This is unnecessary for Contact Fusions conducted via banishing, sending to the Graveyard, or Tributing, as their Fusion Materials can be publicly verified afterwards.

Card text

All Fusion Monsters that can be Summoned by Contact Fusion in the TCG/OCG so far are Special Summon-only monsters, so they can be identified by having the text "Must [first] be Special Summoned [from your Extra Deck] by [moving] the above cards [...].". In older card texts, they also included the phrase "(You do not use "Polymerization".)" at the end of the Summoning condition, but stopped being the case starting with Duelist Pack: Duelists of Gloom (May 2020) in the OCG and Legendary Duelists: Rage of Ra (September 2020) in the TCG.

In Rush Duel, Contact Fusion-able monsters are identified by the simpler sentence "You can Summon this card by Contact Fusion.", followed by a specific explanation of the procedure similar to the TCG/OCG Summoning condition.

Appearances

Yu-Gi-Oh! manga

Contact Fusion first appeared in the original Yu-Gi-Oh! manga, where Magnet monsters could be combined together without the use of "Polymerization" to form a new monster. This Summoning method was generally called "Fusion Combination" (融（ゆう）合（ごう）合（がっ）体（たい） Yūgō Gattai) by characters.

Two sets of Magnet monsters were seen in the manga: The A-to-Z monsters ("X-Head Cannon", "Y-Dragon Head", and "Z-Metal Tank"), which combined into "XY-Dragon Cannon" and "XYZ-Dragon Cannon"; and the "Magnet Warrior" monsters ("Alpha", "Beta", and "Gamma"), which combined into "Valkyrion the Magna Warrior".

Unlike a Fusion Summon with "Polymerization", monsters Summoned by Fusion Combination could attack in the same turn they were Summoned.

Yu-Gi-Oh! GX

The common term Contact Fusion originated from the Yu-Gi-Oh! GX anime, where it was used to refer to the Summoning procedures of "Neos" Fusion Monsters, which are Summoned by shuffling their Fusion Materials from the field into the Deck.

Despite the use of the term "Contact Fusion", the Summoning methods of Fusion Monsters other than "Neos" monsters Summoned by their Summoning conditions continued to be referred as Fusion Combination.

Contact Fusions involving "Elemental HERO Neos" and 2 or more "Neo-Spacian" monsters were referred to by special names:

• Triple Contact Fusion (トリプルコンタクト融（ゆう）合（ごう） Toripuru Kontakuto Yūgō) is a Contact Fusion using 3 Fusion Materials. Monsters such as "Elemental HERO Chaos Neos" were Summoned this way.
• Ultimate Contact Fusion (究（きゅう）極（きょく）コンタクト融（ゆう）合（ごう） Kyūkyoku Kontakuto Yūgō) is a Contact Fusion using 7 Fusion Materials. "Elemental HERO Divine Neos" was the only monster Summoned in this way in the Yu-Gi-Oh! GX anime, by fusing "Elemental HERO Neos" with all the 6 "Neo-Spacian" monsters. However, in the TCG/OCG, "Elemental HERO Divine Neos" must be Fusion Summoned (with a total of 5 materials) instead.

Yu-Gi-Oh! Duel Links

In Yu-Gi-Oh! Duel Links, the Contact Fusion of "Elemental HERO Cosmo Neos", which uses 4 Fusion Materials, is called a Quadruple Contact Fusion (クアドラプルコンタクト融（ゆう）合（ごう） Kuadorapuru Kontakuto Yūgō) by Jaden/Yubel's voicelines.

All "Contact Fusion" cards

OCG/TCG

Name	Japanese name	Primary type	Attribute	Type	Level	Scale	ATK	DEF
A-to-Z-Dragon Buster Cannon	ＡｔｏＺ（エートゥズィ）－ドラゴン・バスターキャノン	Effect Monster Fusion Monster	LIGHT	Machine	10		4000	4000
ABC-Dragon Buster	Ａ（エー）Ｂ（ビー）Ｃ（シー）－ドラゴン・バスター	Effect Monster Fusion Monster	LIGHT	Machine	8		3000	2800
Alba-Lenatus the Abyss Dragon	深（しん）淵（えん）竜（りゅう）アルバ・レナトゥス	Effect Monster Fusion Monster	DARK	Dragon	8		2500	2500
Arktos XII - Chronochasm Vaylantz	針（しん）淵（えん）のヴァリアンツ－アルクトスⅩⅡ（トゥエルブ）	Effect Monster Fusion Monster Pendulum Monster	EARTH	Fairy	12	12	3000	3000
Armed Dragon Catapult Cannon	アームド・ドラゴン・カタパルトキャノン	Effect Monster Fusion Monster	LIGHT	Machine	10		3500	3000
Armityle the Chaos Phantasm	混（こん）沌（とん）幻（げん）魔（ま）アーミタイル	Effect Monster Fusion Monster	DARK	Fiend	12		0	0
Beast-Eyes Pendulum Dragon	ビーストアイズ・ペンデュラム・ドラゴン	Effect Monster Fusion Monster	EARTH	Dragon	8		3000	2000
Blue-Eyes Twin Burst Dragon	青眼の双爆裂龍（ブルーアイズ・ツイン・バースト・ドラゴン）	Effect Monster Fusion Monster	LIGHT	Dragon	10		3000	2500
Blue-Eyes Tyrant Dragon	ブルーアイズ・タイラント・ドラゴン	Effect Monster Fusion Monster	LIGHT	Dragon	8		3400	2900
Chimeratech Fortress Dragon	キメラテック・フォートレス・ドラゴン	Effect Monster Fusion Monster	DARK	Machine	8		0	0

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Anime

Name	Japanese name	Primary type	Attribute	Type	Level	ATK	DEF
Assault Cannon Beetle	アサルト・キャノン・ビートル	Fusion Monster	EARTH	Machine	8	2400	2800
Dark Matter Emperor Dragon	ダークマター・エンペラー・ドラゴン	Fusion Monster	DARK	Galaxy (Type)	8	3000	2500
Elemental Hero Air Neos	Ｅ・ＨＥＲＯ（エレメンタルヒーロー） エアー・ネオス	Fusion Monster	WIND	Warrior	7	2500	2000
Elemental Hero Aqua Neos	Ｅ・ＨＥＲＯ（エレメンタルヒーロー） アクア・ネオス	Fusion Monster	WATER	Warrior	7	2500	2000
Elemental Hero Chaos Neos	Ｅ・ＨＥＲＯ（エレメンタルヒーロー） カオス・ネオス	Fusion Monster	DARK	Warrior	9	3000	2500
Elemental Hero Dark Neos	Ｅ・ＨＥＲＯ（エレメンタルヒーロー） ブラック・ネオス	Fusion Monster	DARK	Warrior	7	2500	2000
Elemental Hero Divine Neos	Ｅ・ＨＥＲＯ（エレメンタルヒーロー） ゴッド・ネオス	Fusion Monster	LIGHT	Warrior	12	3000	2500
Elemental Hero Flare Neos	Ｅ・ＨＥＲＯ（エレメンタルヒーロー） フレア・ネオス	Fusion Monster	FIRE	Warrior	7	2500	2000
Elemental Hero Glow Neos	Ｅ・ＨＥＲＯ（エレメンタルヒーロー） グロー・ネオス	Fusion Monster	LIGHT	Warrior	7	2500	2000
Elemental Hero Grand Neos	Ｅ・ＨＥＲＯ（エレメンタルヒーロー） グラン・ネオス	Fusion Monster	EARTH	Warrior	7	2500	2000

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Manga

Name	Japanese name	Primary type	Attribute	Type	Level	ATK	DEF
Solidroid α	ソリッドロイドα（アルファ）	Effect Monster Fusion Monster		???	7	2600	1800
Solidroid β	ソリッドロイドβ（ベータ）	Effect Monster Fusion Monster		???	7	2500	1900
Solidroid γ	ソリッドロイドγ（ガンマ）	Effect Monster Fusion Monster		???	7	2700	2000
Thunder Dragon Colossus	超（ちょう）雷（らい）龍（りゅう）－サンダー・ドラゴン	Fusion Monster	DARK	Thunder	8	2600	2400
Thunder Dragon Titan	雷（らい）神（じん）龍（りゅう）－サンダー・ドラゴン	Fusion Monster	LIGHT	Thunder	10	3200	3200

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Trivia

• In the Yu-Gi-Oh! ARC-V anime, instances of Contact Fusion were incorrectly referred to as Fusion Summons, even though they are technically not Fusion Summoning.
• Contact Fusion can be considered a precursor to Synchro Summon, as it only requires the proper monsters on the field and the appropriate monster in the Extra Deck, without the need of a Spell Card (as used in most Ritual Summons and Fusion Summons).

In other languages

"Contact Fusion" in languages other than English

Language	Name	Romanized
French	Contact Fusion
German	Kontaktfusion
Italian	Fusione Contatto
Portuguese	Fusão de Contato
Spanish	Fusión de Contacto
Japanese	コンタクト融（ゆう）合（ごう）	Kontakuto Yūgō
	コンタクトゆうごう (kana)
	コンタクト融合 (base)
Korean	콘택트 융합	Kontaekteu Yunghap