Fusion Monster

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Fusion Monster

"Dragon Master Knight"
"Dragon Master Knight"


ゆうごう(モンスター)[Notes 1]

Japanese (ruby)


Japanese (base text)


Japanese (romanized)

Yūgō (Monsutā)


Fusion (Monster)


Fusion Monsters (Japanese OCG: ゆうごうモンスター Yūgō Monsutā; Japanese Rush Duel: フュージョンモンスター Fyūjon Monsutā) are a type of Monster Card stored in the Extra Deck. The color of their card frame is violet.



Fusion Monsters are Extra Deck monsters:

  • They cannot exist in the hand or the Main Deck; if a Fusion Monster would be moved to the hand or Main Deck, it is returned to the Extra Deck instead.
  • If a Fusion Monster is not properly Special Summoned (by Fusion Summon or its own Special Summoning conditions) before being sent to the Graveyard or banished, it cannot be Special Summoned from there (even by effects that ignore Summoning conditions).

Fusion Materials[edit]

Fusion Materials are the requisite monsters needed to Fusion Summon the Fusion Monster, or to perform its Contact Fusion procedures. Each Fusion Monster lists its required Fusion Materials in the first line of its card text.

Fusion Summoning[edit]

Most Fusion Monsters must first be Special Summoned by Fusion Summoning, using the effect of a card that performs a Fusion Summon, and the Fusion Materials listed on the Fusion Monster card.

Contact Fusion[edit]

Some Fusion Monsters must first be Special Summoned by moving its Fusion Materials according their own Summoning conditions, a process usually termed Contact Fusion.

Must be Special Summoned by card effect[edit]

A very small number of Fusion Monsters list no Fusion Materials. Instead, they all must be Special Summoned by the effect of a card they specify in their Summoning conditions.

Rush Duel[edit]

In Yu-Gi-Oh! Rush Duel, Fusion Monsters function largely identically to the OCG/TCG in terms of base mechanics. Some Fusion Monsters in Rush Duel have new Types thematically based on the Types of the Fusion Materials used to Summon them (Cyborg, Magical Knight, High Dragon, Celestial Warrior, and Omega Psychic), and have a new type of card effect called a Multi-Choice Effect, allowing their controller to activate one of two effects each turn.

In the manga[edit]

Yu-Gi-Oh! and Yu-Gi-Oh! R[edit]

In the Yu-Gi-Oh! and Yu-Gi-Oh! R manga, the Fusion Materials must be on the field to be fused with "Polymerization".

Even after being fused, the Fusion Materials are still treated as separate cards when Tributed for a Tribute Summon and for the purpose of some card effects (e.g. "The Wicked Eraser" counted the 3-material "Arcana Knight Joker" as 3 cards and gained 3000 ATK). Additionally, when Tributed for a Tribute Summon, it is possible to Tribute only a subset of the materials (e.g. in Yu-Gi-Oh! R, Seto Kaiba Tributed the "Material Bat" and "Material Scorpion" portions of his "Mosaic Manticore" while leaving "Material Lion" on the field). However, the Fusion Materials can also be Summoned while the Fusion Monster is on the field (in Yu-Gi-Oh! R, Yako Tenma Special Summoned 3 "Blue-Eyes White Dragons" from Kaiba's Graveyard with "Junk Dealer" after Seto Kaiba Fusion Summoned "Blue-Eyes Ultimate Dragon").

Fusion Monsters are treated as having a Level equal to the highest Level of their Fusion Materials. For example, "Mosaic Manticore" is Level 4 due to using the Level 4 "Material Lion", "Material Bat", and "Material Scorpion" as material; "Beast Machine King Barbaros Ür" is Level 8, due to using the Level 4 "Machine Lord Ür" and the Level 8 "Beast King Barbaros" as material.

Under the Super-Expert Rules, Fusion Monsters cannot attack during the turn they are Summoned (a condition carried over to the Duelist Kingdom and Battle City Rules in the anime). However, Fusion Monsters that were Fusion Summoned without "Polymerization"—such as "Valkyrion the Magna Warrior", "XYZ-Dragon Cannon", and "Mosaic Manticore"—are not subject to this condition.

Yu-Gi-Oh! GX onward[edit]

Starting with the Yu-Gi-Oh! GX manga, Fusion Monsters were treated like they are in the TCG/OCG.

In the anime[edit]


In the anime, the Millennium Scale was the item which originally fused monsters. In the early Yu-Gi-Oh! anime, Fusion Monsters had low ATK and DEF, and almost all of them had no effects.

Yu-Gi-Oh! GX[edit]

In Yu-Gi-Oh GX, many powerful Fusion Monsters were introduced.

Yu-Gi-Oh! 5D's and Yu-Gi-Oh! ZEXAL[edit]

In Yu-Gi-Oh! 5D's and Yu-Gi-Oh! ZEXAL, Fusion Monsters were seen rarely, seemingly being replaced by Synchro and Xyz Monsters, respectively.

Yu-Gi-Oh! ARC-V[edit]

In Yu-Gi-Oh! ARC-V, Fusion Monsters were primarily used by characters from the Standard and Fusion Dimensions.

Yu-Gi-Oh! VRAINS[edit]

Fusion Monsters reappeared in the second season of Yu-Gi-Oh! VRAINS, supporting their users' Link Decks.

Yu-Gi-Oh! SEVENS[edit]

In the second season of Yu-Gi-Oh! SEVENS, Fusion Monsters were reintroduced by Yuo Goha with a new name: 「フュージョンモンスター」 (Fyūjon Monsutā). Fusion Monsters often have new types, such as Cyborg, High Dragon, Magical Knight, Celestial Warrior, and Omega Psychic.

In the video games[edit]

Yu-Gi-Oh! BAM[edit]

Like Yu-Gi-Oh!, Fusion Monsters in Yu-Gi-Oh! BAM have purple-colored background. But unlike the real TCG, Fusion Monsters can be played independently, or can be overlayed with an existing monster to produce a new Monster hidden within that Card. Fusing 2 monsters together will trigger an effect aside from creating a new Monster (i.e.: Gaining Life Points, Inflicting Damage, etc.). When the Fusion Monster produced is destroyed, the two materials used for Fusion are also destroyed.



  • Yuma Tsukumo is the only protagonist who has never used a Fusion Monster.
  • Fusion Monsters are the only Extra Deck monster card type to have appeared in all eight anime series.


  1. The parentheses here specify what part is not shown on the cards' Type/Ability line.