The spooky season has officially landed in Steal a Brainrot! The latest Halloween update brings one of the most exciting additions ever seen in the game — the Witch Fuse, a brand-new limited-time fusion system replacing the old Craft Machine.
This eerie contraption allows players to combine four brainrots to create brand-new, mysterious fusions, with a chance of scoring rare, mutated, or even secret-tier brainrots. Whether you’re a veteran grinder or a casual player, understanding how to use the Witch Fuse is key to making the most of this event.
Below, we’ll cover everything you need to know — from how the Witch Fuse works, the complete list of possible fusions, and tips to maximize your rewards before this limited-time feature disappears.
🧙♀️ What Is the Witch Fuse in Steal a Brainrot?
The Witch Fuse is a limited-time Halloween feature that lets you merge four existing brainrots into one entirely new creation. It functions similarly to the previous Craft Machine, but with a magical and unpredictable twist.
Instead of just upgrading, this system lets you experiment with different fusion recipes. Each time you use the Witch Fuse, the result can vary depending on which brainrots you sacrifice — and sometimes, you’ll get something so rare it’s worth millions in-game.
You can obtain over 20 unique brainrots through this event, including four highly coveted Secret variants. But here’s the catch: the Witch Fuse will only be available for one week, so you’ll need to act fast if you want to collect them all.
🎃 How to Use Witch Fuse in Steal a Brainrot
Using the Witch Fuse might sound complicated, but once you understand the process, it’s surprisingly straightforward. Here’s a step-by-step breakdown of how to make your first fusion:
Step 1: Choose Four Brainrots
From your personal collection, select four brainrots you want to combine. You can pick any combination — common, rare, or even legendary ones — but remember, what you put in determines what you might get out.
Each brainrot you choose contributes to your fusion’s rarity, mutation chance, and trait potential. The more valuable your ingredients, the better your odds of receiving a top-tier result.
Step 2: Visit the Witch’s Cauldron
Head to the center of the map, where you’ll find the Witch NPC surrounded by glowing green mist. This is the Witch Fuse station — the heart of the event.
Approach the Witch and interact with her to begin the fusion process. You’ll see the option to submit your selected brainrots one by one into the bubbling cauldron.
Step 3: Check the Fusion Preview
After you’ve loaded all four brainrots, the Witch Fuse interface will display potential outcomes. You’ll see:
- Possible Brainrots you could receive
- Percentages showing your chances for each
- Mutation & Trait Panels indicating potential bonus features
For example, the screen might show:
- Jacko Jack Jack (90%)
- Los Mobilis (10%)
That means you’re far more likely to receive the first one, but there’s always a small chance to roll something rarer.
Step 4: Review Mutations and Traits
On the right-hand side of the interface, you’ll see the Mutations and Traits sections. These are special modifiers that change how your brainrot looks or behaves.
- Mutations alter the color and style, giving you versions like Rainbow, Candy, or Golden.
- Traits add cosmetic accessories such as Sombrero, Pumpkin Hat, or Taco Mask.
Rare fusions have a higher probability of including these special effects.
Step 5: Pay and Fuse
Every fusion has a cost and timer displayed at the bottom of the screen. Higher-tier recipes take longer to complete and cost more in-game currency.
Once you confirm your fusion and pay the fee, the Witch will begin her ritual. Wait patiently for the process to finish, and soon your brand-new brainrot will appear in your collection!
👻 How Witch Fuse Works — The Mechanics Behind the Magic
The Witch Fuse doesn’t just randomly give results — there’s a logical structure behind it. Your input brainrots determine your fusion pool.
- Using Common brainrots leads to a higher chance of Common or Rare results.
- Mixing in Epic or Legendary ones increases your odds of unlocking Mythic or God-tier brainrots.
- Adding at least one Secret brainrot into the recipe boosts your chances of obtaining something extraordinary.
However, fusion results always have an element of unpredictability. Even with perfect ingredients, there’s no 100% guarantee you’ll get the exact one you want — that’s what makes the Witch Fuse so thrilling!
💀 Complete Witch Fuse Brainrot List (2025)
Here’s the full list of all known brainrots currently obtainable from the Witch Fuse event:
| Brainrot Name | Rarity | Cost | Income/s |
|---|---|---|---|
| Tartaragno | Common | $1,500 | $13/s |
| Pinealotto Fruttarino | Rare | $9,700 | $75/s |
| Frogato Pirato | Epic | $39,000 | $240/s |
| Mummio Rappitto | Epic | $47,500 | $325/s |
| Quackula | Legendary | $310,000 | $1,200/s |
| Buho de Fuego | Legendary | $345,000 | $1,400/s |
| Magi Ribbitini | Mythic | $4,000,000 | $12,000/s |
| Jacko Spaventosa | Mythic | $4,800,000 | $16,200/s |
| Snailenzo | Brainrot God | $45,000,000 | $250,000/s |
| Tentacolo Tecnico | Brainrot God | $62,500,000 | $295,000/s |
| Jacko Jack Jack | Brainrot God | $30,000,000 | $150,000/s |
| Vulturino Skeletono | Secret | $110,000,000 | $500,000/s |
| La Vacca Jacko Linterino | Secret | $225,000,000 | $850,000/s |
| Mieteteira Bicicleteira | Secret | $2,700,000,000 | $26,000,000/s |
| La Spooky Grande | Secret | $2,900,000,000 | $24,500,000/s |
| Los Mobilis | Secret | $2,700,000,000 | $22,000,000/s |
| Eviledon | Secret | $3,800,000,000 | $31,500,000/s |
| Spooky and Pumpky | Secret | $25,000,000,000 | $80,000,000/s |
| Headless Horseman | Secret | $150,000,000,000 | $175,000,000/s |
(Note: New fusions may appear later in the event, so check back frequently for updates.)
🧪 Tips to Get the Best Witch Fusions
To make the most of your time with the Witch Fuse, follow these pro strategies:
1. Start Small Before Going Big
If this is your first time using the Witch Fuse, don’t throw in your rarest brainrots right away. Start with common or rare ones to understand how the system works and get comfortable with the interface.
2. Use High-Rarity Brainrots for Better Results
The rarer your inputs, the higher your chance to get something special. Secret or Mythic brainrots dramatically increase your odds of producing high-tier outcomes and can even unlock brand-new fusions unavailable through regular play.
3. Watch the Probability Percentages
Before confirming your fusion, carefully read the percentage display. If you see a 90% chance for one outcome, it’s almost guaranteed. But if you’re aiming for that 10% legendary pull, prepare to experiment — luck plays a major role.
4. Focus on Mutations and Traits
If you’re a collector, prioritize fusions that have special mutations or traits. These cosmetic bonuses make your brainrots visually distinct — perfect for showing off during Halloween.
5. Save Resources for the Final Days
As the event nears its end, Epic-like developers often tweak drop rates or add bonuses to encourage participation. Keep some currency and brainrots ready in case a new secret fusion appears later in the week.
6. Trade Smartly
In the community market, Witch Fuse brainrots are expected to skyrocket in value. Trade wisely — a Secret-tier fusion today could be worth far more when the event ends.
🕯️ Understanding Mutations and Traits
The Witch Fuse doesn’t just create new brainrots; it evolves them. These are the two enhancement systems that can appear in your results:
- Mutations – Change the color palette or style. Some rare versions include Candy, Rainbow, and Golden skins.
- Traits – Add personality! You might see accessories like Pumpkin Heads, Sombreros, Capes, or Ghostly Glows.
Each combination of ingredients influences your chance to receive one of these effects. Some players even fuse lower-tier brainrots intentionally just to farm rare mutations.
🧹 How Long Is the Witch Fuse Available?
The Witch Fuse event is a limited-time Halloween special, running for only seven days. After that, it will vanish from the map — and any unclaimed fusions or items will no longer be craftable.
So, if you’re aiming for Secret-tier brainrots like Headless Horseman or Spooky and Pumpky, make sure to participate daily and collect as many combinations as you can before time runs out.
🧠 Why Witch Fuse Is a Game-Changer
The Witch Fuse has completely redefined how players interact with Steal a Brainrot. Instead of static upgrades, it brings a dynamic fusion mechanic filled with surprises, giving the game fresh replay value.
- It encourages experimentation rather than repetition.
- It introduces limited-edition content tied to the Halloween season.
- It rewards both casual players and high-tier grinders with scalable prizes.
- And most importantly — it makes Steal a Brainrot feel like a living, evolving world.
If you’ve been waiting for a reason to dive back into the game, the Witch Fuse is it.
🧛♂️ Final Tips Before the Event Ends
- Fuse Daily: Try at least a few fusions each day; drop rates might shift mid-week.
- Keep Notes: Track your fusion combinations to identify patterns.
- Share With the Community: Some of the best discoveries come from teamwork — share your rare fusions online.
- Prioritize Secrets: Aim for the Secret-tier brainrots early before their drop rate decreases.
- Stay Updated: Developers might surprise everyone with a bonus fusion during the final day.
🎇 Conclusion — Make the Most of the Witch Fuse Before It’s Gone
The Witch Fuse is one of the most exciting limited-time features ever added to Steal a Brainrot. It combines creativity, chance, and Halloween magic into one unforgettable event. By merging your existing brainrots, experimenting with different combinations, and chasing rare mutations, you’ll uncover some of the most valuable and visually stunning creations in the game.
But remember — this mystical machine won’t be around forever. Once the seven-day event window closes, the Witch NPC and her cauldron will vanish, taking their fusions with them.
So, grab your brainrots, light your virtual candles, and start fusing! The Halloween magic won’t last long — and neither will your chance to craft legends like La Spooky Grande, Los Mobilis, or the ultimate prize, Headless Horseman.
Good luck, and may your fusions be frightfully rare! 🎃✨