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Attack potions deal more damage to MOAB-class Bloons and strip Fortified off smaller Bloons. Buff potions last longer.
~ In-game description

Perishing Potions is the 2nd upgrade of the 2nd upgrade path for the Alchemist in Bloons TD 6. With this upgrade, the Alchemist's attack potions remove the Fortified property from Lead and Ceramic Bloons. Potions deal 5 damage per hit to MOAB-Class Bloons and 20 damage to Fortified MOAB-class Bloons. The extra damage bonuses apply to the splashes only (including any Acid Pools created with 0-2-2), not the damage-over-time effects.

When crosspathed with Path 1 upgrades, Perishing Potions improves the durability and volatility of its buffing potions. Acidic Mixture Dip potions last for up to 12 shots instead of 10. Brews last for 40 shots or 6.0s, whichever comes first (instead of 25 shots or 5.0s), and stimulants lasts for 55 shots or 13.0s (instead of 40 shots or 12.0s), whichever comes first. Downtime cooldown between new brews for both types reduces from 5.0s to 4.0s.

This upgrade costs $405 on Easy, $475 on Medium, $515 on Hard, and $570 on Impoppable.



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Alchemist with the Perishing Potions upgrade

The Alchemist gains a black facemask and wears black surgical gloves instead of white surgical gloves. Its potion bottles now have a black coating.

To fit with the theme of experimentation with increasingly toxic chemicals, the Alchemist's potions are corrosive enough to strip Fortified off non-blimp bloons and deal significantly more damage to MOAB-class and Fortified MOAB-class. The Alchemist also improves its own buffing potions to last longer and have lower downtime, affecting Acidic Mixture Dip, Berserker Brew, and Stronger Stimulant potions.

Targeting Priorities[]

Perishing Potions throws potions in a lobbed arc at bloons according to targeting priority.

  • First: Targets the first bloon visible within its range.
  • Last: Targets the last bloon visible within its range.
  • Close: Targets the closest bloon visible within its range.
  • Strong: Targets the strongest bloon visible within its range.


Updated as of Version 43.0. Listed prices exclude external buffs, any sacrifices, and Monkey Knowledge.
[Module | Data] Purchase Sell
Costs Easy Medium Hard Impoppable Easy Medium Hard Impoppable
Upgrade (X-2-X) $405 $475 $515 $570 -
Total (0-2-0) $1,080 $1,275 $1,380 $1,530 $756 $893 $966 $1,071
Crosspath (1-2-0) $1,290 $1,525 $1,650 $1,830 $903 $1,068 $1,155 $1,281
Crosspath (2-2-0) $1,585 $1,875 $2,030 $2,250 $1,110 $1,313 $1,421 $1,575
Crosspath (0-2-1) $1,630 $1,925 $2,080 $2,310 $1,141 $1,348 $1,456 $1,617
Crosspath (0-2-2) $2,010 $2,375 $2,565 $2,850 $1,407 $1,663 $1,796 $1,995

This upgrade's prices (or included crosspath's prices) are affected by the following MK: BetterSellDealsIcon Better Sell Deals



Perishing Potions is one of the cheaper ways of dealing with the early Round 40 Fortified MOAB on Alternate Bloons Rounds and for countering Fortified Bloons in general. In addition, this upgrade improves the power of brewing Alchemists for targeting single towers, on top of the Alchemist itself gaining higher overall offensive damage.


  • Being one of the few upgrades that deals more damage to Fortified MOAB-class bloons, Perishing Potions is a rather cheap upgrade for destroying the Fortified MOAB on Round 40 ABR.
  • It can occasionally can be used as a supportive DPS tower in later game when Fortified blimps and ceramics run rampant.
  • Use this upgrade to improve the brews targeted towards stronger towers, especially the fast-attacking ones.
  • In terms of optimizing the offense of Perishing Potions, the Strong targeting option typically utilizes the extra Fortified MOAB-class damage, though First should be used if needing to defortify Ceramics (especially Super Ceramics).
  • With the 0-2-3 crosspath, the lead-damage bonus of Lead to Gold and the MOAB-damage bonus of Perishing Potions stack on DDTs and Dreadbloon.

Version History[]

Balance Changes[]

An addition to Alch buff crosspathing benefits to balance out competition versus Path 3 crosspathing. Otherwise, the offensive portion of Perishing Potions still remains a useful option for rounds rich in Fortified MOAB-class.

Alchemist is already widely used, but we thought of an interesting way to add some more crosspath value and wanted to take the chance to perform a small rebalance at the same time.
~ Ninja Kiwi
  • BUFF Perishing Potions now improves Berserker Brew and Stronger Stimulant
    • Increases lifespan by +10 units
    • Increases duration by +1.0s
    • Decreases downtime cooldown by 1.0s (5.0s → 4.0s)
Alchemist has been given a small push towards the current underused Brew crosspath. Previously this crosspath only applied a benefit to Brew & Stimulant but now along with a buff to that, Acidic Mixture Dip will also gain a slight benefit from the crosspath.
~ Ninja Kiwi
  • BUFF Perishing Potions now affects Acidic Mixture Dip.
  • BUFF Perishing Potions shot count for Berserker Brew and Stronger Stimulant both increased (+10 → +15)
Alchemist 220 stands out a little too effectively in the crosspath efficiency of Acidic Mixture Dip uptime combined with the reduced forced downtime at 320 and so is being reduced. [...]
~ Ninja Kiwi
  • NERF 2-2-0 Perishing Potions bonus to Acidic Mixture Dip reduced (+3 → +2)

Bug Fixes and General Changes[]

  • [Undocumented] Description changed from "All offensive potions strip Fortified property off of Lead and Ceramic Bloons, and greatly damages MOAB-Class Bloons." to "Attack potions deal more damage to MOAB-class Bloons and strip Fortified off smaller Bloons. Also strengthens Brews and Stimulants."
  • Change Description changed from "Attack potions deal more damage to MOAB-class Bloons and strip Fortified off smaller Bloons. Also strengthens Brews and Stimulants." to "Attack potions deal more damage to MOAB-class Bloons and strip Fortified off smaller Bloons. Buff potions last longer."

Extra Notes (Version History)[]


Official artwork[]



  • Besides defortification attacks such as by Mortar Monkey's Shattering Shells upgrade, Perishing Potions is the only upgrade that deals at least 2x damage to Fortified MOAB-class than on non-Fortified MOAB-class. (Spiked Balls and Heavy Shells both deal only +1 damage to Fortified, dealing 1.5x and 1.33x to Fortified MOAB-class compared to normal MOAB-class, respectively).
  • The facemask on the Perishing Potions Alchemist is not wrapped around the monkey's ears like a standard facemask would, but it appears to be wrapped around the monkey's face.
  • Strangely, the crosspath buff to Berserker Brews and Stronger Stimulants from Perishing Potions did not work properly when it was first added, but these buffs now work correctly of Version 21.0.