The Dark - Hex-Sealed Fusion | Decks and Tips

This page notes details of The Dark - Hex-Sealed Fusion (DARK/Rock/Effect Monster) : decks, tips, effect and rulings. Learn and enjoy playing Yu-Gi-Oh! Duel Links!
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update 15/09/2016

The Dark - Hex-Sealed Fusion

The Dark - Hex-Sealed Fusion
Monster TypeRock
Card typeEffect
Card Effect TypeUnclassified Effect / Ignition Effect


You can substitute this card for any 1 Fusion Material Monster, but the other Fusion Material Monster(s) must be correct. You can Tribute Fusion Material Monsters on the field, including this face-up card; Special Summon 1 corresponding DARK Fusion Monster from your Extra Deck.

How to Get / rarity

PackDawn of Destiny [SR]
Return of the Red-Eyes [SR]
Level-up reward--
Victory against--
Card trader--




  • This card can replace 1 Fusion Material Monster.
  • It can Special Summon a Fusion Monster from your Extra Deck.
  • Defense is pretty decent.


  • Attack is quite low which makes it unreliable in battle.
  • Even though the Defense is decent, there are still a lot of monsters that can surpass it.
  • The other monster to be used in Polymerization with this card should be the correct monster.
  • You must tribute this card and a Fusion Material Monster from the field in order to Special Summon from your Extra deck by its effect.
  • It can only Special Summon a DARK Fusion Monster from your Extra Deck by its effect.


Monsters to summon

  • B. Skull Dragon currently has the highest attack out of all DARK Fusion Monsters. Use The Dark - Hex-Sealed Fusion's effect to tribute it and one of the Fusion Material monster from the field.



ActionsTributes for cost / Tributes itself for cost
Summoning categoriesFusion Substitute Monster / Special Summons from your Extra Deck


Hot New Top
I couldn't FUSION-SUMMON (w/ polymerization) Buster Blader the destruction swordmaster usind this card and an Explosive Dragon in my hand as Fusion Material... anyone knows why? :'(
<< Anonymous(Kaick)
Anonymous Reply
That's because BB Fusion is a LIGHT monster. It would only let you summon Dark Paladin in that case. Read that card attribute before complaining.
<< Anonymous
Anonymous Reply
...The Dark - Hex-Sealed Fusion has two effects. He was talking about just using it as a regular fusion Substitute with Polymerization. The Attribute of the Fusion is irrelevant for that effect.

Unless this was a Vagabond game with no Special Summons, he forgot to add the Swordmaster to the Extra Deck or the opponent had something blocking Special Summons, what he said should have worked.
<< Anonymous
Anonymous 17hour ago Reply
it actually use to work on duel links but it doesn’t work anymore. They haven’t changed the text on the card either using it as a substitution for any card should mean ANY card bb destruction swordsman is 1 bb + 1 dragon type, I have a dragon type and the game doesn’t register hex sealed fusion as a bb substitute. Quite literally I believe that The game disabled it specifically for bb
<< Anonymous
Anonymous 13hour ago Reply
Balance changes made by Konami for Blue eys deck users.

Blue eyes deck were getting hard countered too hard.

Why doesn't this work with the buster blader fusion anymore
<< Anonymous
Anonymous Reply
Because the new ruling is coming
<< Anonymous
Anonymous Reply
What ruleing?
<< Anonymous
Anonymous Reply

Scroll down a bit, it's the 6th Q&A.
Why cant I use my opponent's monsters. The text say "on the field" not on "my side of the field"
<< Anonymous(GG)
Anonymous Reply
"on the field" means on your side of the field unless it says explicitly that you can use opponent's monster
Cant use this to summon sky galloping Gaia despite having a dragon monster and polymerization in my hand. Why?
<< Anonymous
Anonymous Reply
Sky Galloping Gaia doesn't have specifically named material.

Read carefully, it ask for a "Gaia the Fierce Knight" MONSTER, it refers to an archetype, it doesn't specifically ask for the vanilla one.
Damn, better than expected
Why can’t this card substitute a warrior type monster??? The whole point of this card is to substitute fusion material....what the F?!
<< Anonymous
Anonymous Reply
It can change it's card name for the correct material but not its attribute.
<< Anonymous
Anonymous Reply
All fusion subs can only substitute specifically named material.
I can't special summon Red Eyes Slash Dragon even when I have this card and Red Eyes B. Dragon on the field. What am I doing wrong?
<< Anonymous
Anonymous Reply
This card can be used as a substitute for red eyes b. dragon, but not for a generic warrior monster. The thing you're doing wrong is trying to fuse 2 re-eyes b. dragon together. You need a warrior on the field to make it work.
<< Anonymous
Anonymous Reply
That makes a lot more sense now. Thank you!
So when you first summon it to the field, do you need polymerization if you have the other correct monsters, like just machine types affected by dna transplant (tryna summon chimeratech)
<< Anonymous(Tim)
Anonymous Reply
I don't know... As someone who uses the Light version of this card when I had Sparkman in the field to try to summon Shining Flare Wingman it didn't let me tribute to summon it.
<< Anonymous(Tim)
Anonymous Reply
The Hex-Sealeds have two effects. You can use them as a regular fusion substitute with Polymerization (like you would Versago). Or you can Tribute them and the other materials for a Fusion from your field to Special Summon the Fusion.

Keep in mind that second effect is NOT a Fusion Summon, though. So you can't Summon something like Shining Flare Wingman that has to be Fusion Summoned.
Red-Eyes Slash Dragon!!!
Thuc M. Truong
So it says a fusion monster namely any plus light hex sealed fusion may summon a blue eyes ultimate dragon or whatever, it appears that way.

<< Anonymous(Thuc M. Truong)
Nope Reply
"All other materials must be Corect" this is a one per kind of deal friend.
easy to get and great in buster blader deck.
Would this work on monsters in the extra deck that don't use POLY. Like GB or NEOS monsters?
<< Anonymous(Guy)
Anonymous Reply
No, they (at least the more recent ones like Nerokius) pretty clearly say they first have to be Summoned with the listed method. (And since it's not a Fusion Summon, you can't use them as regular Fusion Subs for these Summons, either.)

Commens and feedback


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