Spectre (BTD6)

For other uses, see Spectre (disambiguation).

Spectre

Rapidly fires darts and bombs, dominating most Bloon types easily.

Tower	Monkey Ace — Path 3 — Tier 4
XP cost	19,000
Cash cost	$19,890 — Easy $23,400 — Medium $25,270 — Hard $28,080 — Impoppable

← Neva-Miss Targeting

Flying Fortress →

Spectre is the Monkey Ace's path 3 tier 4 upgrade in Bloons TD 6. It grants Monkey Ace a new attack which rapidly fires darts and bombs directly at Bloons. This new attack has a cooldown of 0.06 seconds, and alternates between firing:

• Darts, which deal 4 damage with +1 Ceramic damage, have 10 pierce, and cannot damage Lead Bloons
• Bombs, which deal 3 damage with +3 Ceramic damage, have 20 pierce, and cannot damage Black Bloons

Both of these types of projectiles seek their target. This attack is always on First targeting.

This upgrade also increases the damage of Monkey Ace's main seeking darts from 1 to 3 and significantly improves its homing capability.

Mechanics

Homing darts

Spectre retains the radial volley attack of Neva-Miss Targeting, its previous upgrade, but deals 3 damage instead of 1. Like Neva-Miss Targeting, each homing dart of the Spectre's dart volleys will decelerate if the target is not within a 20° cone of their current trajectory and accelerate if the target is within a 5° cone, allowing them to make much tighter turns in the air to avoid missing their targets. This seeking style is shared with Adora's Divine Bolts.

In the console version, due to it being based on an older version of the game, the homing dart attack is disabled.

Front attack

This article is in need of research. You can help out by editing this article or discussing your findings on the talk page. The editor who added this notice elaborates: Exact stats of older Console version (v32.0)

The front attack consists of an alternating rapid-fire attack of homing darts and bombs. Both projectiles move in a straight line and are able to rotate towards bloons from any distance. Bombs seek bloons up to a 45° cone from its direction, and seek at 45°/second. Darts seek bloons up to a 30° cone but have infinite seeking rate. Unlike the homing darts, the darts and bombs of the front attack neither accelerate nor decelerate.

Bombs have larger hitboxes but move slower than the darts, and bombs last longer.

In the console version, due to it being based on an older version of the game, the darts have much weaker homing, and bombs completely lack homing.

Stats

For a complete list of Monkey Ace stats, see Stats:Monkey Ace (BTD6).

This data was last updated for: version 55.1

Tower
Display range 22 units Footprint 28 × 18 units Movement speed 60 units/s Targeting options Circle Figure Infinite Figure Eight Centered Path

Front attack
Cooldown 0.06s Offset (X, Y, Z) 0, 13.83, -3.6 Targeting First Targeting range 600 units Filters Cannot target Camo
Ignores blockers
Bomb Pierce 1 Max pierce 1 Speed 300 units/s Seeking distance ∞ units Seeking angle 45° Seeking rotation speed 45 °/s Lifespan 2s Radius 3 units Filters Cannot hit Camo Explosion Pierce 20 Damage 3 Damage to Ceramic +4 Damage type Explosion Lifespan 0.05s Radius 20 units Filters Cannot hit Camo Ignores blockers Dart Pierce 4 Damage 6 Damage type Sharp Speed 400 units/s Seeking distance ∞ units Seeking angle 30° Seeking rotation speed ∞ °/s Lifespan 1.125s Radius 2 units Filters Cannot hit Camo

Attack
Cooldown 1.68s Offset (X, Y, Z) 0, 13.83, -3.6 Targeting range 22 units
Ignores blockers Can fire without a target
Main projectile Count 8 Angle 360° Pierce 8 Damage 3 Damage type Sharp Speed 180 units/s Max speed 350 units/s Acceleration 50 units/s2 Lifespan 5s Lifespan while seeking 1s Radius 3 units Filters Cannot hit Camo Ignores blockers

1-0-4

Front attack
Cooldown 0.06s → 0.045s Offset (X, Y, Z) 0, 13.83, -3.6 ↓ 0, 15, -3.6

Attack
Cooldown 1.68s → 1.26s Offset (X, Y, Z) 0, 13.83, -3.6 ↓ 0, 15, -3.6

2-0-4

Attack
Main projectile Count 8 → 12

0-1-4

Front attack
Offset (X, Y, Z) 0, 13.83, -3.6 ↓ 0, 15, -3.6
Explosion Pierce 20 → 30 Radius 20 units → 23 units

Bomb attack
Cooldown 1.6s Offset (X, Y, Z) 0, 15, -3.6 Targeting range ∞ units
Can fire without a target
Explosion Pierce 32 Damage 1 Damage type Explosion Lifespan 0.05s Radius 35 units Filters Cannot hit Camo Ignores blockers

Attack
Offset (X, Y, Z) 0, 13.83, -3.6 ↓ 0, 15, -3.6

0-2-4

Front attack
Filters Can now target Camo
Bomb Filters Can now hit Camo Explosion Damage to Camo +3 Filters Can now hit Camo Dart Damage to Camo +8 Filters Can now hit Camo

Bomb attack
Explosion Damage to Camo +1 Filters Can now hit Camo

Attack
Filters Can now target Camo
Main projectile Damage to Camo +3 Filters Can now hit Camo

Costs and sell values

Note: this list does not factor in Monkey Knowledge or other discounts.

Tiers	Total cost				Sell value
	Easy	Medium	Hard	Impoppable	Easy	Medium	Hard	Impoppable
0-0-4	$23,625	$27,800	$30,025	$33,360	$16,538	$19,460	$21,018	$23,352
1-0-4	$24,005	$28,250	$30,510	$33,900	$16,804	$19,775	$21,357	$23,730
2-0-4	$24,470	$28,800	$31,105	$34,560	$17,129	$20,160	$21,774	$24,192
0-1-4	$23,795	$28,000	$30,240	$33,600	$16,657	$19,600	$21,168	$23,520
0-2-4	$24,090	$28,350	$30,620	$34,020	$16,863	$19,845	$21,434	$23,814

Strategy

This strategy section is empty or incomplete. See the strategy guidelines for more information on how to write strategy sections.

This section was last updated for: version 49.3

Spectre is an effective mid-game carry on many maps, particularly if it can focus its barrage consistently at Bloons. Unlike its previous upgrade, Neva-Miss Targeting, Spectre's rapid attack speed limits its synergy with Berserker Brew, however its attacks already have high enough base pierce and damage to reliably handle rounds 63, 76, and 78 on maps with reasonable track length. It still falls off in the late-game, despite its bonuses to Ceramics, taking many hits to destroy Super Ceramics and the barrage often wasting shots chasing strays, though the improved Neva-Miss darts are strong enough to handle a few of them. As the barrage always targets First, it is recommended that the Spectre flies ahead of the Bloons.

Top crosspaths are preferred, which improve its DPS, and gaining bonus Neva-Miss darts with greater damage is worth the investment even at T4. 0-2-4, outside of challenges that require the Camo crosspath, is only beneficial on Race Events and CT Time Attack, as the Exploding Pineapple crosspath offers much more pierce on its bombs than the overall attack speed and projectile bonuses.

Update history

For a complete list of Monkey Ace changes, see Update history:Monkey Ace (BTD6).

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Version 4.0

•  Attack cooldown increased ― 0.05s → 0.06s (attack speed reduced by 16.67%)

Version 8.0

•  Upgrade cost increased ― $18,000 → $24,000
•  Dart attack: Damage increased ― 1 → 2
•  Bomb attack: Damage increased ― 2 → 4

Version 22.0

“

While Pineapples are never the star of the show, the amount of pierce they have is completely unnecessary for their usage window and has only led to balance problems for Bombing Run, specifically in races. This high amount of pierce has been more evenly spread through higher tiers & crosspath.
— Update notes

”

0-1-4, 0-2-4

•  Pineapple/bomb explosions now gain +12 pierce from Sharper Darts

Version 23.0

“

In addition to this we are experimenting with adding a small amount of homing to the spectre upgrade as rapid fire missing is not the intended design.
— Update notes

”

•  Now has a slight seeking effect on dart projectiles

0-1-4, 0-2-4

•  Exploding Pineapple: attack cooldown reduced ― 3s → 2s

Version 27.0

“

Now allows you to find your center. Very zen.
— Update notes

”

•  Centered Path mode: Now allows the player to change the center point of the path

Version 28.0

“

Monkey Ace has had an overall rework to a lot of different upgrades in order to highlight the x1x Exploding Pineapples upgrade as a buff to all explosives, in addition to this Spectre has been reworked to have less base pierce but a higher damage bonus to Ceramic Bloons in order to make the new option of a pierce crosspath more viable while also allowing it to carry on better into the endgame against Super Ceramics.
— Update notes

”

•  Main attack dart: Now deals +2 damage to Ceramic
•  Main attack dart: Pierce reduced ― 30 → 15
•  Main attack bomb: Now deals +2 damage to Ceramic
•  Main attack bomb: Pierce reduced ― 60 → 30

0-1-4, 0-2-4

•  Exploding Pineapple now grants +15 pierce to the main attack's bombs
  •  Overall pierce reduced ― 60 → 45 (due to changes to the projectile's base pierce)
•  Exploding Pineapple now grants +3 units to the radius of the main attack's bombs ― 20 → 23

Version 30.0

“

More of a straight quality of life, Ace has gained a new special toggle button to allow it to turn back and fly in reverse on any selected flight pattern.
— Update notes

”

•  Reverse flight pattern added

Version 32.0

“

Neva-Miss has been generally over performing for quite a cheap T3, increasing price here slightly but not carrying that increase up through higher tiers.
— Update notes

”

•  Upgrade cost reduced ― $24,000 → $23,400
  •  Overall cost is unchanged (due to cost changes for previous tiers)
•  Spectre no longer missing bonus ceramic damage on darts ― +0 → +2 (bug fix)

Version 33.0

“

To help you work towards the new Ace Paragon we have reduced Spectre’s lategame ceramic weakness with improved targeting for the bomb projectiles & a large increase to their bonus Ceramic damage to help out later on, to change focus on these projectiles we have also shifted damage around for the darts to deal single target with the bombs providing ceramic AoE cleanup.
— Update notes

”

•  Dart: damage increased ― 2 → 3
•  Bomb: Damage reduced ― 3 → 2
•  Bomb: Ceramic bonus increased ― 2 → 4
•  Darts & bombs now both have a weaker homing effect

Version 34.0

“

Same as mentioned above for the flagship, we are experimenting with new homing changes for the Spectre & Flying Fortress to improve their feeling.
— Update notes

”

•  Spectre new homing style

Version 35.0

•  Resolved an issue where reversing flight path before purchasing Centered Path would prevent the centered path target from flying in the correct direction (bug fix)
  • Note: Nerf to ace micro

Version 37.0

“

Spectre is shifting a little of the ceramic bonus around into basic all damage at the cost of reduced pierce, which should make up for lack of single target damage while also making the pierce crosspath more necessary when being used for cleanup focus.
— Update notes

”

•  Dart: damage increased ― 3 → 4
•  Dart: ceramic bonus reduced ― +2 → +1
•  Dart: pierce reduced ― 15 → 10
•  Bomb: damage increased ― 2 → 3
•  Bomb: ceramic bonus reduced ― +4 → +3
•  Bomb: pierce reduced ― 30 → 20

Version 39.0

•  Spectre and Flying Fortress can no longer ignore Phayze’s camo immunity when under Radar Scanner (bug fix)

Version 41.0

“

Neva-Miss itself is too fun and cool to be lost completely on the very next upgrade so it’s coming back to Spectre as an additional attack, as this main attack is back again 204 no longer needs to give an additional conflicting crosspath benefit.
— Update notes

”

•  Now retains the radial seeking dart attack from Neva-Miss Targeting, with 3 damage instead of 1

2-0-4

•  Lots More Darts no longer grants +25% pierce to the dart attacks

Version 46.0

“

As efforts to improve the feeling of top path Buccaneer have gone relatively well, projectile seeking has now been greatly improved for the Bottom path Ace as well.
— Update notes

”

•  Radial darts: now use Adora's seeking mechanics, allowing them to decelerate to take much tighter turns towards targets and accelerate when targets are directly in front
•  Radial darts: lifespan reduced ― 3.33s → 1.5s (undocumented)
•  Spectre dart: seeking turn rate is no longer capped at 180°/s
•  Spectre dart: seeking targeting angle is no longer capped at 30°

Version 46.1

•  Radial dart: projectile lifespan reduced ― 1.5s → 1s

Version 48.0

“

[...] Neva-Miss darts max speed and homing acceleration is being increased so the projectiles are less likely to expire before meeting their target unless placement is terrible.
— Update notes

”

•  Homing dart: Max projectile speed increased ― 180 → 350
•  Homing dart: Projectile acceleration increased ― 20 → 50
•  Homing dart: Projectile lifespan increased ― 1s → 3.3333s (undocumented)
  • Note: Only affects the projectile while not homing; the lifespan while homing switches to Adora homing stats, which remain unchanged at 1s

Version 50.0

“

Since Spectre works best at the edge of the map far from the entrance the radial attack can expire too early, so projectile distance has been increased.
— Update notes

”

•  Radial dart: Lifespan increased ― 3.3333s → 5.0s
  • Note: Projectile distance increased from 600 units to 900 units

Version 51.0

“

Spectre is trying a new approach: darts are trading in pierce for higher single-target damage, while bombs lean more into AoE Ceramic cleanup to improve overall efficiency.
— Update notes

”

•  Frontal dart: Pierce reduced ― 10 → 4
•  Frontal dart: Damage increased ― 4 → 8
•  Frontal dart: No longer does +1 Ceramic damage
•  Frontal bomb: Bonus damage to Ceramic Bloons increased ― +3 → +5

Version 55.0

“

Spectre was making the save-up into into a Flying Fortress too effortless so it’s single target power has been lowered with a raised upgrade cost, enough to make this not quite so easy
— Update notes

”

•  Frontal darts: Damage reduced ― 8 → 6
•  Frontal bombs: Bonus damage to Ceramic Bloons reduced ― +5 → +4
  • Note: Flying Fortress frontal bombs already had +4 Ceramic damage

Gallery

For more Monkey Ace images, see Gallery:Monkey Ace.

Screenshots

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Assets

• 
  Portrait
• 
  Upgrade icon
• 
  Insta Monkey icon

In other languages

Language	Name / Description	Notes
Arabic	شبح/ طيف إطلاق السهام والقنابل بسرعة، والسيطرة على معظم أنواع البالونات بسهولة.	—
Danish	Ildstøttefly Affyrer hurtigt dartpile og bomber, der nemt dominerer de fleste bloon-typer.	—
German	Spukgestalt Feuert schnell Pfeile und Bomben, welche die meisten Bloons überwältigen.	—
Spanish	Espectro Dispara dardos y bombas muy rápido y domina con facilidad a la mayoría de los tipos de bloons.	—
Spanish (LA)	Espectro Dispara dardos y bombas muy rápido y domina con facilidad a la mayoría de los tipos de bloons.	—
Finnish	Tulituki Tulittaa nopeasti tikkoja ja pommeja dominoiden useimpia bloonityyppejä helposti.	—
French	Spectre Tire rapidement des fléchettes et des bombes, éradiquant ainsi facilement la plupart des types de Bloons.	—
Italian	Spettro Spara freccette e bombe a ripetizione liberandosi facilmente di quasi tutti i tipi di bloon.	—
Japanese	スペクター ダーツと爆弾を素早く発射し、ほとんどの種類のブルーンをたやすく片付ける。	—
Korean	유령 다트와 폭탄을 빠르게 발사하여 대부분의 풍선 유형을 가볍게 제압합니다.	—
Dutch	Schim Vuurt snel pijltjes en bommen af, en kan de meeste soorten Bloons met gemak aan.	—
Norwegian	Spekter Fyrer av dartpiler og bomber hyppig, og dominerer enkelt de fleste bloon-typer.	—
Polish	Widmo Szybko strzela rzutkami i bombami, z łatwością zyskując przewagę nad większością typów blonów.	—
Portuguese (Brazil)	Espectro Dispara rapidamente dardos e bombas, dominando facilmente a maioria dos tipos de Bloons.	—
Russian	Фантом Быстро мечет дротики и бомбы, легко уничтожая большинство типов шаров.	—
Swedish	Spöke Avfyrar pilar och bomber snabbt och tar sig an de flesta Bloontyper enkelt.	—
Thai	สเปกเตอร์ ยิงลูกดอกและระเบิดอย่างรวดเร็ว กำจัดบลูนส่วนใหญ่ได้อย่างง่ายดาย	—
Turkish	Hayalet Seri şekilde oklar ve bombalar atarak birçok Bloon türünü kolayca bastırır.	—
Chinese (simplified)	幽灵 快速发射飞镖和炸弹，轻松应对大部分气球类型。	—
Chinese (traditional)	幽靈 調整射出飛鏢和炸彈，輕鬆控制大多數氣球類型。	—
This list was last updated for: version 43.1