Best Tier-5 Upgrades in Bloons TD 6Solacress Tier 5 upgrades are a new addition to the popular BTD6. They are usually very expensive, but mega powerful.
The Top Ten
Even after the nerf, it is still able to destroy an ENTIRE B.A.D. with Monkey Village and Alchemist support.
The tier 5 upgrade of the third path of the spike factory, the Perma-Spike, was the unanimously the most overpowered upgrade in the entire game before update 2.0, when its fire rate was decreased drastically. this upgrade sends out piles of 50 spikes which do 10 damage each. These spikes will carry over 4 rounds, giving it its name. It used to cost 20000, but the price was increased to 25000. - Solacress
The tier 5 upgrade of the first path of the wizard monkey, the Archmage, is known to be one of the most powerful upgrades in the game. It attacks much faster than it's previous upgrade, arcane spike, and its attacks do a whopping 25 damage to M.O.A.B.s and higher. On some tracks, it can even destroy an entire Z.O.M.G, children and all, by itself. That's not bad for a tower that costs 32000. - Solacress
The Tier 5 Upgrade of the first path of the boomerang monkey, the glaive lord, isn't really known to be a bad-ass by most people, but they can pretty much destroy an infinite amount of B.F.Bs. In BTD5, it was kind of overpriced, but not anymore. - Solacress
The tier 5 upgrade of the second path of the banana farm, monkeynomics, will give you a lot of money. If you need quick cash in the late game, you can use druids, but if you can afford it, get this. For $100000, you'll get an ability to GIVE you $10000. just use it 10 times, and you've got your money back. sure, you could get a lot of druids, but those take up space. - Solacress
The tier 5 upgrade of the third path of the alchemist, the Bloon Master Alchemist, can easily turn any bloon up to a B.A.D. into a red bloon. That's right, ANY bloon up to a Z.O.M.G. can be transformed. He's not that slow with it either. - Solacress
The Tier 5 upgrade of the second path of the druid, the spirit of the forest, does multiple things. It's main use is to do damage to everything on screen several times, being able to destroy pre-round 81 ceramics, but that's not it. It also gives you 25 lives and $1000 every round. Combined with its previous upgrade, jungle's bounty, you'll be making money really quickly. Not bad for a $50000 upgrade. - Solacress
The Tier 5 upgrade of the second path of the monkey sub, preemptive strike, is a free ticket to defeating one of the hardest rounds in Impoppable and Chimps modes, round 95. This round has a rush of D.D.T. bloons, but they're no problem for this tower. In earlier free play rounds, the preemptive strike sub will destroy all M.O.A.B. and D.D.T. bloons, no problem. The reason its not higher is due to it's use going down in higher rounds. - Solacress
The tier 5 upgrade for the third path of the monkey ace, the flying fortress of bloon doom as I like to call it, is extremely powerful. It shreads M.O.A.B. class bloons with relative ease, able to do major damage to B.A.D. bloons. Why so low, then? The reason is its price. The flying fortress costs a whopping $120000! More than a temple! My point has been made. - Solacress
The Tier 5 upgrade of the first path of the Monkey Village, primary expertise, isn't really a good upgrade, by its definition. It gives primary monkeys tier 2 upgrades for free. Why not give all monkeys tier 2 upgrades for free? This tower is more than just that, however. It also gains a powerful attack known as "Mega Ballista," which can easily take down M.O.A.B. class bloons. To me, it's worth the 25000. - Solacress
The tier 5 upgrade for the first path of the monkey sub, energizer, used to be useless. It gave water based towers in its radius a quicker cooldown. Now, it's amazing, giving EVERY water tower a quicker cooldown, and halvening the cooldown time of water towers in its radius. Not to mention the hero XP bonus. It also gives a pierce buff to its attack. - Solacress
This should be #2 or #1 you can get the dark vengeful temple and glitch it so the balloons cannot be even seen.
How could we have this list without the most destructive upgrade of them all? The true sun god isn't higher on the list due to its price, coming in at a whopping 500000! - Solacress
The tier 5 upgrade for the first path of the alchemist, permanent brew, isn't very useful by itself, since it doesn't give any extra bonus from stronger stimulant, but with the help of a support chinook heli, it can be pretty good. It's a little overpriced in my opinion, though. - Solacress
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2. Archmage (Wizard Monkey)
3. Glaive Lord (Boomerang Monkey)