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Shoots huge icicle spikes that do huge damage to MOAB-Class Bloons and freezes them.
~ In-game description

Icicle Impale is the final upgrade of Path 3 for the Ice Monkey in Bloons TD 6. The Ice Monkey's snowballs can now target and damage MOAB-class bloons, dealing 50 damage to each and freezing them. Frozen MOABs and BFBs move at the base speed of a ZOMG, and frozen ZOMGs are slowed by 50%; BADs can be frozen but will not be slowed down. This unique slowdown versus non-ZOMG blimps becomes far more apparent on higher rounds.

Icicle Impale also allows the snowballs to directly pop White and Zebra Bloons. Additionally, the Ice Monkey now attacks 33% faster (or 0.75x attack cooldown reduction), increasing its default firing rate from per 1.0s to per 0.75s. Crosspathing with Permafrost also applies a permanent 25% slowdown to the outer layer of any affected MOAB-class bloons.

This upgrade costs $25,500 on Easy, $30,000 on Medium, $32,400 on Hard, and $36,000 on Impoppable.



This upgrade greatly increases the length of the projectile launcher, adds a protruding triangular spike from the end, and the Ice Monkey now holds the launcher like a shoulder-fired missile. Feather-like protrusions of ice stick out of the top of the helmet. The upgrade portrait shows the launcher held over the left shoulder, while the in-game model holds it over the right shoulder. Similarly like Icicles, the Ice Monkey's right arm in the upgrade portrait, is completely iced, but the in-game model's arm is not; only its left hand is blue.

Targeting Priorities[]

Icicles targets bloons using the standard targeting priorities. It shoots a straight movement projectile.

  • 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.

Unlike most camo-detecting crosspaths, adding Cold Snap (which detects camo) does not add Camo Prioritization.


Updated as of Version 31.0. Listed prices exclude buffs, sacrifices, and Monkey Knowledge.
Purchase Sell
Costs Easy Medium Hard Impoppable Easy Medium Hard Impoppable
Upgrade (X-X-5) $25,500 $30,000 $32,400 $36,000 -
Total (0-0-5) $30,255 $35,600 $38,450 $42,720 $21,179 $24,920 $26,915 $29,904
Crosspath (1-0-5) $30,340 $35,700 $38,560 $42,840 $21,238 $24,990 $26,992 $29,988
Crosspath (2-0-5) $30,635 $36,050 $38,940 $43,260 $21,445 $25,235 $27,258 $30,282
Crosspath (0-1-5) $30,445 $35,825 $38,695 $42,990 $21,312 $25,078 $27,087 $30,093
Crosspath (0-2-5) $30,740 $36,175 $39,075 $43,410 $21,518 $25,323 $27,353 $30,387

This upgrade's prices (or included crosspath's prices) are affected by the following MK: ComeOnEverybodyIcon.png Come On Everybody!, BetterSellDealsIcon.png Better Sell Deals



Icicle Impale holds a unique place as a tower that solos DDTs and does very good damage to blimps in general. It also clumps up bloons, which may be useful to help certain towers fully utilize their pierce.


  • Since it can greatly slow MOAB-class bloons, it can serve very well against rounds such as Round 85, 90, 97, and 98 (plus Rounds 90, 93, 95, and 99 if given camo detection).
  • When given camo detection, placed in a good close or straight-line spot, and near a Monkey Intelligence Bureau or influenced by a lead-popping grant (Cold Snap upgrade, Acidic Mixture Dip, or Gwendolin with Heat It Up effect), it makes a good counter to DDTs.
  • Note that crosspathing Icicle Impale with Permafrost allows it to permanently apply a 25% slowdown to all affected MOAB-class bloons. However, since Icicle Impale would likely be fast enough to slow them down to a halt anyway, it is usually better off going for a 0-2-5 Icicle Impale. That being said, 2-0-5 allows direct popping of DDTs and does not require Radar Scanner due to that crosspath's innate camo detection.
  • MOAB-class Bloons that are slowed by the attacks count as frozen, so they become immune to sharp projectiles. Plan ahead and invest in towers and upgrades that can pop frozen Bloons.

Version History[]

Icicle Impale's power is relatively unchanged since it was first released, but also gained a few quality-of-life changes that made it slightly better against normal bloons and improve use of the Path 1 crosspath. Even when it was first released, Icicle Impale was considered a very powerful Tier 5 upgrade, and still remains viable on CHIMPS even at present.

  • Nerf Icicle Impale no longer damages Lead Bloons or DDTs without Metal Freeze.
  • Buff Icicle Impale blast radius pierce increased (20 → 30)
  • Buff Icicle Impale can now pop and freeze White and Zebra Bloons.
  • Buff Crosspathing Icicle Impale with Permafrost allows it to apply the Permafrost effect to all MOAB-class bloons affected by ice blasts, although the Permafrost effect is 25% instead of 50% for MOAB-class.
  • Buff Affected by Cryo Cannon and Icicles buffs
21.1 (?)
  • Buff Now correctly affected by Cryo Cannon blast radius buff
  • Nerf Icicle Impale no longer can freeze DDTs without Metal Freeze
  • Buff [Undocumented] 2-0-5 Icicle Impale shards now pop Lead Bloons.


Official artwork[]


  • Prior to version 2.0, even if Icicle Impale did not have Metal Freeze, it could still freeze and damage DDTs with Camo Bloon detection.
    • As of version 2.0, it could still slow down DDTs, but it required Metal Freeze, Acidic Mixture Dip, or a Monkey Intelligence Bureau to deal actual damage to them.
    • As of version 25.0, it cannot damage or slow down DDTs without Metal Freeze or external support.
  • On certain Daily Challenges that specifically have decreased MOAB-class bloon speed, Icicle Impale can actually speed up MOAB-class bloons (except ZOMG, which will move at 50% speed, and BADs, which cannot be slowed at all), due to the frozen status applying a set speed to such bloon types.
  • The upgrade icon for Icicle Impale is a MOAB impaled by a large icicle spike.