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Pierce is the number of different bloons an attack can hit
~ Bloons Adventure Time TD, while loading screen message displayed

Pierce is a commonly used description for the maximum number of bloons that can be affected by an individual element of attack. An element of an attack may be a dart, tack, bomb, frag or something else that is individual. Pierce could even be described as the remaining "health" of a projectile.

"Pierce" is obviously the language of pointy things. In contexts where a non-pointy attack is launched it is also common to talk in terms of blast, splatter, shoot, slice or shred but pierce has become the term in most general use.

The concept of arbitrary pierce is not limited to Bloons TD games, but it is a notable game mechanic influential for optimal defensive strategy in this tower defense sub-genre. For example, a Ninja Monkey's shuriken has 2 pierce by default, meaning it can hit up to two different bloons before the shuriken expires automatically. Some attacks may have exactly one pierce no matter what, and are marked as Impact Impact. Some attacks may have strictly infinite pierce, and are marked as Infinite Pierce True Infinite Pierce.

When talking about anything that is directly on the track, such as Spike Factories' spike piles, pierce is the "health" of the spikes before it gets used up.

Details[]

Before Bloons TD 4[]

TBA

Bloons TD 4[]

TBA

Bloons TD 5[]

TBA

Bloons TD 6[]

TBA

Bloons Adventure Time TD[]

TBA

Bloons Pop![]

In Bloons Pop!, pierce is mostly in regards to the maximum number of bounces an attack can make, including for monkeys who are thrown onto the screen. Boomerangs and bolts are among many exceptions, and these projectile types follow the typical pierce rules of any mainline BTD game.

Parallels and differences between Pierce and Popping Power[]

Along with a depth of Damage inflicted by an attack, with the number of elements in an attack (such as from a Tack Shooter or from Triple, Airburst or Monkey Ace Darts) and possibly with attack speed, Pierce is an important contributing factor to Popping Power. Indeed, in some situations, it is simply described as "Popping Power" as per the following quotes.

Super support of Monkey Fort while targeting is set to "first"

Increases the popping power of all nearby monkeys by 1.
~ BTD%M/BMCM description for the Monkey Village x/1, Monkey Fort upgrade
Grants a (2-20)% increase in popping power of every offensive tower and agent you deploy...
~ Level based description for 'Popping Power' upgrades from the Monkey Lab function of Bloons TD 5 Mobile. The percentage increase is dependent on the level of upgrade. (L1 gives 2%, L2 gives 4%, L3 gives 6%, L4 gives 8%, L5 gives 10%, L6 gives 12%, L7 gives 15% and L8 gives 20%).
Larger blast area and more popping power.
~ BTD5M/BMCM description for the Bomb Shooter x/1 Bigger Bombs upgrade

Popping Power goes beyond Attack extent to also consider the number of elements in an attack as per:

Airburst darts split into 3 on impact for massively increased popping power
~ BTD5M/BMCM description for the Monkey Sub x/2, Airburst Darts upgrade

Depth of Damage caused by an attack can also be considered as an aspect of "Popping Power":

Snipers set to strong targetting can help maximize their popping power
~ BMC/M "Loading ..." screen advice

More general advice also includes that:

Researching upgrades allows you to increase your Monkeys' popping power.
~ BMC/M "Loading ..." screen advice

And, arguably, the time extended effects of Glue and Burny Stuff can also be considered as constituting Popping Power.

Pierce by Tower (BTD5)[]

See also: Tower and upgrade stats (BTD5M, BMCM and Battles Mobile)

Text in Italic means Premium/Specialty (BTD5 only) or obtained through Monkey Knowledge Packs (Bloons Monkey City only)

Dart Monkey
Tack Shooter

Tacky support of Monkey Fort

Fire ring support of Monkey Fort

Sniper Monkey
  • Basic Tower: 1 (pops multiple layers per shot, but only on one bloon.)
Bomb Tower
Ninja Monkey
Boomerang Thrower
Ice Tower
Glue Gunner
Monkey Buccaneer
Monkey Ace
Dartling Gun
Mortar Tower
Monkey Apprentice

Super Monkey

Spike Factory
Monkey Village
Bloonchipper
Monkey Engineer
Heli Pilot
Monkey Sub
Agents

Tier[]

There is no strict "tier" of indicating the quantitative amount of pierce a certain attack possesses, because an attack can be considered "high pierce" or "low pierce" depending on the type of attack and how it performs in a practical game.

Assuming the attack is an ordinary projectile-based attack, the following is a table indicating a quantitative measure of how much pierce each projectile has.

Pierce Tiering
Low 1-5
Moderate 6-20
High 21-50
Extreme 51+

In-game quotes relating to pierce[]

Quotes indicating quantities of bloons that an element of an attack can pop[]

Can pop 1 extra bloon per shot.
~ BTD5M/BMCM description for the Dart Monkey x/1, Sharp Shots upgrade
Can pop 2 extra bloon per shot.
~ BTD5M/BMCM description for the Dart Monkey x/2, Sharp Shots upgrade
Catapult fires spiked balls that can pop 18 bloons.
~ BTD5M/BMCM description for the Dart Monkey 3/x upgrade
Hurls a giant spiked ball that excels at crushing ceramics
~ BTD5M/BMCM description for the Dart Monkey 4/x Juggernaut upgrade
Shoots out big razer sharp blades.
~ BTD5M/BMCM description for the Tack Shooter x/3, Blade Shooter upgrade
Converts tower into a blade shooter that shoots our razor sharp blades that are harder for the bloons to avoid.
~ BTD5 description for the Tack Shooter x/3, Blade Shooter upgrade
Ability: covers the area in a storm of blades.
~ BTD5M/BMCM description for the Tack Shooter x/4 Blade Maelstrom Abiity upgrade
Blade Maelstrom Ability: covers the area in an unstoppable storm of blades.
~ BTD5 description for the Tack Shooter x/4, Blade Maelstrom Ability upgrade
Boomerangs can now pop 7 bloons each.
~ BTD5 description for the Boomerang Thrower Multi-Target upgrade
Glaives slice through up to 12 bloons at once!
~ BTD4 description for the Boomerang Thrower Glaive Thrower upgrade
Glaives now automatically bounce from bloon to bloon.
~ BTD5M/BMCM description for the Boomerang Thrower 3/x, Glaive Ricochet upgrade
The glaives from this tower will automatically bounce from bloon to bloon as long as there is one close by.
~ BTD5 description for the Boomerang Thrower 3/x, Glaive Ricochet upgrade
Two permanent glaives orbit the tower.
~ BTD5M/BMCM description for the Boomerang Thrower 4/x, Glaive Lord upgrade
Creates two permanent glaives that orbit round the tower, shredding almost anything that touches them. Glaive Lord can attack Camo Bloons.
~ BTD5M/BMCM description for the Boomerang Thrower 4/x, Glaive Lord upgrade
Shurikens can pop 4 bloons each.
~ BTD5M/BMCM description for the Ninja Monkey 2/x, Sharp Shurikens upgrade
Larger blast area and more popping power.
~ BTD5M/BMCM description for the Boomb Shooter x/1 Bigger Bombs upgrade
More velocity and range, more damage, and faster firing.
~ BTD5M/BMCM description for the Bomb Shooter x/2, Missile Launcher upgrade
Throws out secondary bombs instead of frags.
~ BTD5M/BMCM description for the Bomb Shooter 3/x, Cluster Bomb upgrade
Splatters glue across 6 bloons as a time.
~ BTD5M/BMCM description for the Glue Gunner x/2, Glue Splatter upgrade
Monkey Ace darts can pop 8 bloons each!
~ BTD5M/BMCM description for the Monkey Ace 2/x, Sharper Darts upgrade
Fast firing twin laser beams pop twice as much as before.
~ BTD5M/BMCM description for the Super Monkey 1/x, Laser Blasts upgrade
Plasma vaporizes everything it touches.
~ BTD5M/BMCM description for the Super Monkey 2/x, Plasma Blasts upgrade
It is said that bloons who doth touch the sun shall be cleansed, and there shall be peace.
~ BTD5 description for the Super Monkey 3/x, Sun God upgrade
Shoots larger and more powerful magical bolts.
~ BTD5M/BMCM description for the Monkey Apprentice 1/x, Intense Magic upgrade
The Apprentice adds a powerful fireball attack to its arsenal.
~ BTD5M/BMCM description for the Monkey Apprentice x/1, Fireball upgrade
Unleash the power of lightning to zap many bloons at once.
~ BTD5M/BMCM description for the Monkey Apprentice 2/x, Lightning Bolt upgrade
... and adds a powerful energy beam attack
~ BTD5M/BMCM description for the Monkey Village 4/x, Energy Beacon
Darts move faster and can pop 3 bloons each.
~ BTD5M/BMCM description for the Darlting Gun x/1, Powerful Shots upgrade
Rapid fire Plasma can pop 13 bloons each and also pops frozen bloons.
~ BTD5M/BMCM description for the Dartling Gun 3/x, Laser Cannon
Shoots vicious little missiles instead of darts.
~ BTD5M/BMCM description for the Dartling Gun x/3,
The Ray of Doom is a persistent solid beam of bloon destruction.
~ BTD5M/BMCM description for the Dartling 4/x, Ray of Doom upgrade
Produces sharp spiked balls that do extra damage to ceramic bloons
~ BTD5M/BMCM description for the Spike Factory 3/x, Spiked Balls upgrade
Spiked balls explode when they loose all their spikes.
~ BTD5M/BMCM description for the Spike Factory 4/x, Spiked Mines upgrade
Massive nails pop 8 bloons at once, including frozen bloons.
~ BTD5M/BMCM description for the Monkey Engineer x/1, 9-inch nails upgrade
Makes the Submarine's darts pop up to 3 bloons each.
~ BTD5M/BMCM description for the Monkey Sub 1/x, Barbed Darts upgrade

Trivia[]

  • In the BTD5 generation, while Sniper Monkeys attack single bloons, it inflicts damage on its affected target.
    • Note that in BTD6, Shrapnel Shot and further upgrades allow the Sniper Monkey to be able to affect multiple bloons at once.
  • In BTD3 and BTD4, towers with multiple pierce will hit blimps multiple times.
    • This is one of the reasons why the Monkey Wizard is considered about as powerful as a Sun God in BTD4. It has massive pierce, letting it destroy even a B.F.B. with ease.
    • This does not apply to the Bloons TD 4 (iOS) version, making extreme-pierce towers such as the aforementioned Monkey Wizard less powerful.
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