Okay, listen up, fellow Chiefs! So, you're stuck with those five builders and your upgrade queue is like, forever long? Same, girl, same. But guess what? Supercell dropped this absolute game-changer a while back - the Builder Base 2.0 update - and it brought along the cutest, most helpful little robot buddy, B.O.B.! Seriously, B.O.B. (that's Builder Bot, obvi) is Master Builder's latest genius invention, and he's here to be your SIXTH builder in the Home Village, replacing the old O.T.T.O. system. But let me tell you, getting this little guy isn't a walk in the park. It's a GRIND. But trust me, it's so worth it. Today, I'm spilling all the tea on exactly how to unlock B.O.B. in 2026. Let's get this bread! 🏗️✨
Step 1: The B.O.B. Control HQ
First things first, you gotta get access to the command center. You need to hit Builder Hall level 9 in your Builder Base. Once you're there, you'll see the B.O.B. Control building available to build for a cool 100,000 Gold. Build it ASAP!
But here's the kicker: Building it is just the start. You need to upgrade this bad boy to level 5 to finally unlock B.O.B.'s Hut. And each level-up requires you to complete a specific task. Think of it like a quest chain. No shortcuts here, bestie!

The Four Epic Tasks to Power Up B.O.B.
Each B.O.B. Control level from 1 to 4 is locked behind a major achievement. Complete one, upgrade once. Here's the full breakdown:
🔧 Task 1: Gear Up Three Key Defenses
This one's all about synergy between your Home Village and Builder Base. You need to "gear up" three specific buildings. It's not just about levels; you need the right buildings in both villages.
| Building to Gear Up | Home Village Requirement | Builder Base Requirement |
|---|---|---|
| Cannon | Level 7 Cannon | Level 4 Double Cannon |
| Archer Tower | Level 10 Archer Tower | Level 6 Archer Tower |
| Mortar | Level 8 Mortar | Level 8 Multi Mortar |
Pro Tip: Make sure your Home Village Town Hall is at least level 10 before you even start this. Otherwise, some of these upgrades won't be possible. It's a classic "chicken or the egg" situation, but we're solving it! This task is a major resource sink, so prioritize your loot runs.
⚡ Task 2: Max Out a Troop in the Star Laboratory
Time to focus on your Builder Base army! For this step, you need to:
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Upgrade your Star Laboratory to level 9.
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Choose ONE troop and take it all the way to level 18.
Now, which troop should you choose? The meta still heavily favors a couple:
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Baby Dragon: My personal favorite. Amazing for farming and attacks. So versatile!
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Power P.E.K.K.A.: An absolute tank. If you love a brute-force strategy, this is your go-to.
Honestly, just pick the troop you use in every single attack. Maxing it out will make your Builder Base battles way easier too, so it's a win-win. Don't spread your Elixir too thin!
🧱 Task 3: The Mega Upgrade (No More Wall Cheese!)
Alright, this one used to have a famous workaround, but Supercell patched it. In the old days, players would just upgrade one Builder Base wall to level 9 to tick this box. NOT ANYMORE! The only way now is the intended way:
Upgrade your Multi Mortar to level 9.
Yep, that's it. But "that's it" will cost you a whopping 4.5 Million Builder Gold. This is arguably the biggest single resource hurdle. Start saving those Builder Gold runes and clock tower potions, stat! 💰
🦸 Task 4: Hero Power Couple - Combined Level 45
This one's about your Builder Base heroes: the ground-pounding Battle Machine and his aerial partner, the Battle Copter.
You need their combined levels to equal 45. The most efficient path?
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Focus everything on your Battle Machine until he hits level 25. This unlocks the Battle Copter.
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The Battle Copter starts at level 15 automatically. Nice! 🎁
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Now you just need 5 more levels from the duo to hit 45. The easiest way? Pump those last 5 levels into your Battle Copter to get it to level 20.
So, the magic formula is: Battle Machine (Lvl 25) + Battle Copter (Lvl 20) = 45. This method saves you so much time and Hero Potions!

The Grand Finale: Bringing B.O.B. Home!
After you've slogged through all four tasks and upgraded your B.O.B. Control to level 5... drumroll please... you'll finally unlock B.O.B.'s Hut in the Builder Base! 🎉
But wait, you're not done! You need to place his hut in your Home Village. Just find a cozy spot (maybe near the Master Builder?), plop it down, and... VOILA!
Your sixth builder is officially on duty! No more waiting 14 days for that Eagle Artillery upgrade. You can now have two major upgrades running simultaneously in your Home Village. The productivity is about to be insane.

My Final Thoughts & Strategy Tips
Unlocking B.O.B. is a marathon, not a sprint. It tests your commitment to both villages. Here's my best advice:
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Plan Ahead: Look at the requirements now and start working on them passively. That level 10 Archer Tower in Home Village? Start it today!
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Builder Base is Key: You'll be spending a lot of time here. Use the Clock Tower boost every day to speed up upgrades and loot collection.
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Resource Management is EVERYTHING: The Multi Mortar upgrade (4.5M gold) is the biggest wall. Always have a goal for your Builder Gold.
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It's So Worth It: The moment you get that sixth builder, the entire game changes. Your progress accelerates like crazy.
So, are you ready for the grind? It's a long journey, but having that extra builder is literally a game-changer. Good luck, Chiefs! Go get your B.O.B.! 🤖💖 #ClashOfClans #COCGuide #BuilderBase #BOBUnlock #GamingTips
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