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Special Halloween Formulas!
Events
Friday, November 6 2026, at 03:59 AM
🧪 New Mix formulas

Halloween Formulas and New Monsters

33 new formulas have arrived: two Halloween special series, for a limited time, plus new permanent formulas, including El Clown!

Available fromNovember 6All formulas
Halloween formulas untilDecember 20 · 11:59 PMOfficial server time

Hello, masters!

As part of our ongoing monster updates, new Mix formulas are now live. Some of them are Halloween specials and can only be mixed during the event period. The others are permanent formulas that can be mixed at any time. Here is how each one works.

Halloween · Limited🎃 Special formulas
Use the Halloween Special Mix Item.
  • Available until December 20.
  • Return every year, only during Halloween.
  • 24 formulas in 2 series.
Permanent🧪 Regular formulas
Use the Lv. 4 Mix Item.
  • Can be mixed at any time.
  • They never expire.
  • 9 formulas: El Clown and the South Series.
🎁
The Halloween Special Mix Item can be obtained from the El Clown event boxes: Halloween Gamble Box (2026). Defeat El Clown, collect the stones and craft the box in the Crafting System for a chance to receive it.

🎃 Halloween special formulas

Both monsters in the formula must have the Halloween Special Mix Item equipped. After December 20, these formulas become unavailable until next Halloween. Any monsters you obtain stay with you as usual.

Halloween Series I

Halloween · Limited

Step one: mix the monsters below to obtain the new Halloween monsters.

ResultFormula
Dragon Dragon
Lv. 222
Crimson Rhino
Crimson Rhino
View monster
Dragon Dragon
Lv. 217
Sinan Arimant
Sinan Arimant
View monster
🎃 Special Item+
Dragon Dragon
Lv. 217
Neo Aperia Neo
Neo Aperia
View monster
🎃 Special Item
Devil Devil
Lv. 222
Spite Fiend
Spite Fiend
View monster
Devil Devil
Lv. 217
Sinan Beres
Sinan Beres
View monster
🎃 Special Item+
Devil Devil
Lv. 217
Neo Hellhound Neo
Neo Hellhound
View monster
🎃 Special Item
Animal Animal
Lv. 222
Crimson Prowler
Crimson Prowler
View monster
Animal Animal
Lv. 217
Sinan Lexy
Sinan Lexy
View monster
🎃 Special Item+
Animal Animal
Lv. 217
Neo Zacaris Neo
Neo Zacaris
View monster
🎃 Special Item
Bird Bird
Lv. 222
Inferno Raven
Inferno Raven
View monster
Bird Bird
Lv. 217
Sinan Pelic
Sinan Pelic
View monster
🎃 Special Item+
Bird Bird
Lv. 217
Neo Horus Neo
Neo Horus
View monster
🎃 Special Item
Insect Insect
Lv. 222
Glow Vespid
Glow Vespid
View monster
Insect Insect
Lv. 217
Sinan Rosa
Sinan Rosa
View monster
🎃 Special Item+
Insect Insect
Lv. 217
Neo Drill Hornet Neo
Neo Drill Hornet
View monster
🎃 Special Item
Plant Plant
Lv. 222
Root Flora
Root Flora
View monster
Plant Plant
Lv. 217
Sinan Chlora
Sinan Chlora
View monster
🎃 Special Item+
Plant Plant
Lv. 217
Neo Genie Neo
Neo Genie
View monster
🎃 Special Item
Mystery Mystery
Lv. 222
Pumpkin Spectre
Pumpkin Spectre
View monster
Mystery Mystery
Lv. 217
Sinan Estela
Sinan Estela
View monster
🎃 Special Item+
Mystery Mystery
Lv. 217
Neo Atlas Neo
Neo Atlas
View monster
🎃 Special Item
Metal Metal
Lv. 222
Gear-Ghoul
Gear-Ghoul
View monster
Metal Metal
Lv. 217
Sinan Balian
Sinan Balian
View monster
🎃 Special Item+
Metal Metal
Lv. 217
Neo SakeMusa Neo
Neo SakeMusa
View monster
🎃 Special Item

Halloween Series II

Halloween · Limited

Step two: evolve the Halloween Series I monsters into their stronger forms. Each monster has two possible formulas.

ResultFormula
Dragon Dragon
Lv. 230
Phantom Rhino
Phantom Rhino
View monster
Dragon Dragon
Lv. 222
Crimson Rhino
Crimson Rhino
View monster
🎃 Special Item+
Dragon Dragon
Lv. 226
Diablo Garugon Neo
Diablo Garugon
View monster
🎃 Special Itemor
Dragon Dragon
Lv. 224
Mu King Mitra Neo
Mu King Mitra
View monster
🎃 Special Item+
Dragon Dragon
Lv. 222
Neo Mu KingGarugon(A) Neo
Neo Mu KingGarugon(A)
View monster
🎃 Special Item
Devil Devil
Lv. 230
Infernal Fiend
Infernal Fiend
View monster
Devil Devil
Lv. 222
Spite Fiend
Spite Fiend
View monster
🎃 Special Item+
Devil Devil
Lv. 226
Diablo Lucifer Neo
Diablo Lucifer
View monster
🎃 Special Itemor
Devil Devil
Lv. 224
Mu King Ordevil Neo
Mu King Ordevil
View monster
🎃 Special Item+
Devil Devil
Lv. 222
Neo Mu Anubis(A) Neo
Neo Mu Anubis(A)
View monster
🎃 Special Item
Animal Animal
Lv. 230
Phantom Prowler
Phantom Prowler
View monster
Animal Animal
Lv. 222
Crimson Prowler
Crimson Prowler
View monster
🎃 Special Item+
Animal Animal
Lv. 226
Diablo Cerberus Neo
Diablo Cerberus
View monster
🎃 Special Itemor
Animal Animal
Lv. 224
Mu King Claw Neo
Mu King Claw
View monster
🎃 Special Item+
Animal Animal
Lv. 222
Neo Mu Hellfard(A) Neo
Neo Mu Hellfard(A)
View monster
🎃 Special Item
Bird Bird
Lv. 230
Doom Raven
Doom Raven
View monster
Bird Bird
Lv. 222
Inferno Raven
Inferno Raven
View monster
🎃 Special Item+
Bird Bird
Lv. 226
Diablo Michael Neo
Diablo Michael
View monster
🎃 Special Itemor
Bird Bird
Lv. 224
Mu King Harpy Neo
Mu King Harpy
View monster
🎃 Special Item+
Bird Bird
Lv. 222
Neo Mu Phoenix(A) Neo
Neo Mu Phoenix(A)
View monster
🎃 Special Item
Insect Insect
Lv. 230
Vespid Gloom
Vespid Gloom
View monster
Insect Insect
Lv. 222
Glow Vespid
Glow Vespid
View monster
🎃 Special Item+
Insect Insect
Lv. 226
Diablo Hotaru Neo
Diablo Hotaru
View monster
🎃 Special Itemor
Insect Insect
Lv. 224
Mu King Bamu Neo
Mu King Bamu
View monster
🎃 Special Item+
Insect Insect
Lv. 222
Neo Mu Cutter(A) Neo
Neo Mu Cutter(A)
View monster
🎃 Special Item
Plant Plant
Lv. 230
Toxic Flora
Toxic Flora
View monster
Plant Plant
Lv. 222
Root Flora
Root Flora
View monster
🎃 Special Item+
Plant Plant
Lv. 226
Diablo Viroza Neo
Diablo Viroza
View monster
🎃 Special Itemor
Plant Plant
Lv. 224
Mu King Balza Neo
Mu King Balza
View monster
🎃 Special Item+
Plant Plant
Lv. 222
Neo Mu Nephen(A) Neo
Neo Mu Nephen(A)
View monster
🎃 Special Item
Mystery Mystery
Lv. 230
Nether Spectre
Nether Spectre
View monster
Mystery Mystery
Lv. 222
Pumpkin Spectre
Pumpkin Spectre
View monster
🎃 Special Item+
Mystery Mystery
Lv. 226
Diablo Soul Eater Neo
Diablo Soul Eater
View monster
🎃 Special Itemor
Mystery Mystery
Lv. 224
Mu King Mact Neo
Mu King Mact
View monster
🎃 Special Item+
Mystery Mystery
Lv. 222
Neo Mu Roof T. G(A) Neo
Neo Mu Roof T. G(A)
View monster
🎃 Special Item
Metal Metal
Lv. 230
Mech-Ghoul
Mech-Ghoul
View monster
Metal Metal
Lv. 222
Gear-Ghoul
Gear-Ghoul
View monster
🎃 Special Item+
Metal Metal
Lv. 226
Diablo Balrog Neo
Diablo Balrog
View monster
🎃 Special Itemor
Metal Metal
Lv. 224
Mu King Guns Neo
Mu King Guns
View monster
🎃 Special Item+
Metal Metal
Lv. 222
Neo Mu Destroyer(A) Neo
Neo Mu Destroyer(A)
View monster
🎃 Special Item

🧪 New permanent formulas

These formulas use the Lv. 4 Mix Item on both monsters and can be mixed at any time, with no end date.

El Clown

Permanent

The star of the Halloween event can now be obtained through Mix.

ResultFormula
Devil Devil
Lv. 215
El Clown
El Clown
View monster
Devil Devil
Lv. 212
Purple PumpkinGirl Neo
Purple PumpkinGirl
View monster
Mix Item Lv. 4+
Devil Devil
Lv. 205
Mutant Kugutu
Mutant Kugutu
View monster
Mix Item Lv. 4

South Series

Permanent

Eight new South Series monsters.

ResultFormula
Dragon Dragon
Lv. 216
South Rhino
South Rhino
View monster
Dragon Dragon
Lv. 207
Serpenkis
Serpenkis
View monster
Mix Item Lv. 4+
Dragon Dragon
Lv. 214
Eternal Drakis Neo
Eternal Drakis
View monster
Mix Item Lv. 4
Devil Devil
Lv. 216
South Onestep
South Onestep
View monster
Devil Devil
Lv. 207
Evilkis
Evilkis
View monster
Mix Item Lv. 4+
Devil Devil
Lv. 214
Eternal Devilkis Neo
Eternal Devilkis
View monster
Mix Item Lv. 4
Animal Animal
Lv. 216
South Captain
South Captain
View monster
Animal Animal
Lv. 207
Taykis
Taykis
View monster
Mix Item Lv. 4+
Animal Animal
Lv. 214
Eternal Beaskis Neo
Eternal Beaskis
View monster
Mix Item Lv. 4
Bird Bird
Lv. 216
South Blint
South Blint
View monster
Bird Bird
Lv. 207
Crokis
Crokis
View monster
Mix Item Lv. 4+
Bird Bird
Lv. 214
Eternal Birdkis Neo
Eternal Birdkis
View monster
Mix Item Lv. 4
Insect Insect
Lv. 216
South Bookworm
South Bookworm
View monster
Insect Insect
Lv. 207
Beetlekis
Beetlekis
View monster
Mix Item Lv. 4+
Insect Insect
Lv. 214
Eternal Inseckis Neo
Eternal Inseckis
View monster
Mix Item Lv. 4
Plant Plant
Lv. 216
South Spinian
South Spinian
View monster
Plant Plant
Lv. 207
Vezikis
Vezikis
View monster
Mix Item Lv. 4+
Plant Plant
Lv. 214
Eternal Flowkis Neo
Eternal Flowkis
View monster
Mix Item Lv. 4
Mystery Mystery
Lv. 216
South Dutchman
South Dutchman
View monster
Mystery Mystery
Lv. 207
Magickis
Magickis
View monster
Mix Item Lv. 4+
Mystery Mystery
Lv. 214
Eternal Myskis Neo
Eternal Myskis
View monster
Mix Item Lv. 4
Metal Metal
Lv. 216
South Tank
South Tank
View monster
Metal Metal
Lv. 207
Machinekis
Machinekis
View monster
Mix Item Lv. 4+
Metal Metal
Lv. 214
Eternal Metakis Neo
Eternal Metakis
View monster
Mix Item Lv. 4

📈 Evolution list update

The following monsters have been added to the evolution list for (A):


Dragon Dragon
Lv. 222
Neo Mu KingGarugon(A) Neo
Neo Mu KingGarugon(A)
View monster

Devil Devil
Lv. 222
Neo Mu Anubis(A) Neo
Neo Mu Anubis(A)
View monster

Animal Animal
Lv. 222
Neo Mu Hellfard(A) Neo
Neo Mu Hellfard(A)
View monster

Bird Bird
Lv. 222
Neo Mu Phoenix(A) Neo
Neo Mu Phoenix(A)
View monster

Insect Insect
Lv. 222
Neo Mu Cutter(A) Neo
Neo Mu Cutter(A)
View monster

Plant Plant
Lv. 222
Neo Mu Nephen(A) Neo
Neo Mu Nephen(A)
View monster

Mystery Mystery
Lv. 222
Neo Mu Roof T. G(A) Neo
Neo Mu Roof T. G(A)
View monster

Metal Metal
Lv. 222
Neo Mu Destroyer(A) Neo
Neo Mu Destroyer(A)
View monster

⚔️
Reminder: the Lv. 200 Halloween swords can only be crafted in the Crafting System until November 20. Don't leave it to the last minute!
Happy mixing!
Make the most of the Halloween season to get the special monsters. They won't be back until next year!
MixMaster Online Team
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