Dreadrock Bloon

For the boss that summons Dreadrock Bloons, see Dreadbloon (BTD6).

Dreadrock Bloon
Speed 18 (0.72× Red Bloon speed) Size 8

Dreadrock Bloons, also called Rock Bloons, are Bloons in Bloons TD 6 that are continuously summoned by Dreadbloon while its Ceramic Armor Shell is active, after reaching a skull. Dreadrock Bloons are much faster than Dreadbloon and are prioritized by attacks set to Strong targeting over any other Bloon type, including Dreadbloon itself. Dreadrock Bloons are immune to the same tower category as Dreadbloon was at the time they spawn. Leaking them loses lives depending on Dreadbloon's current tier.

Mechanics

Spawning

Dreadbloon starts summoning Dreadrock Bloons from the entrance when a skull is reached, and stops summoning them the next time its Shell is destroyed. Therefore in Boss Bloon Events and Boss Challenges, Dreadbloon never summons any Dreadrock Bloons during its Primary immunity phase, since no skull was reached when it is in that phase. Primary-immune Dreadrock Bloons only occur during Boss Rush.

Dreadbloon summons a specific number of Dreadrock Bloons in the first 5 seconds after regrowing its Shell, and additionally summons Dreadrock Bloons in certain intervals the whole time the Shell is active.

Properties

The health of Dreadrocks and the number of lives lost upon leaking them increase at higher tiers of Dreadbloon, and are higher during the Elite version than the Normal version. Their health and speed are also affected by the Boss challenge rules.

Dreadrock Bloons inherit the category immunity of Dreadbloon when it was spawned, and do not change their immunity even if Dreadbloon does. Like Dreadbloon, if a Dreadrock Bloon is hit by a projectile of the category it is immune to, the projectile is destroyed.

Dreadrock Bloons are prioritized by attacks with the Strong targeting over any other Bloon type. This includes attacks that always target Strong regardless of the tower's current targeting option, such as First Strike Capability's ability.

Uniquely, Dreadrock Bloons have some properties of Boss and MOAB-Class Bloons, but lack others. Dreadrock Bloons are vulnerable to the extra damage from attacks that deal bonus Boss damage or MOAB-Class damage. Attacks that can only target MOAB-Class Bloons, such as Sticky Bomb or MOAB Eliminator cannot target them, nor can attacks that only target non-MOAB-Class Bloons, such as Glue Gunner with no upgrades.

Dreadrock Bloons are immune to insta-kill methods such as Pirate Lord's hooks and Legend of the Night's passive black hole ability (which triggers when Dreadrock Bloons reach the exit, but does not prevent lives from being lost by them).

Stats

Normal

Base health

Tier	1-player	2-player	3-player	4-player
1	250	300	350	400
2	500	600	700	800
3	750	900	1,050	1,200
4	8,000	9,600	11,200	12,800
5	20,000	24,000	28,000	32,000

Spawning and lives lost

Tier	Extra # in first 5s	Spawn cooldown	Lives lost
1	5	4s	5
2	7	3s	10
3	10	3s	15
4	14	2.5s	20
5	19	2s	25

Elite

Base health

Tier	1-player	2-player	3-player	4-player
1	500	600	700	800
2	2,200	2,640	3,080	3,520
3	8,000	9,600	11,200	12,800
4	19,500	23,400	27,300	31,200
5	40,000	48,000	56,000	64,000

Spawning and lives lost

Tier	Extra # in first 5s	Spawn cooldown	Lives lost
1	5	3s	20
2	7	2.5s	30
3	10	2s	50
4	14	1.5s	75
5	19	1s	100

Update history

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Version 34.2

• Added damage state visuals

Version 43.0

“

Rock Bloons in the higher tiers of Normal Dreadbloon are very outscaled, and so their health values are being increased. — Update notes

”

•  Normal tier 4: Dreadrock Bloon health increased ― 5000 → 9000
•  Normal Tier 5: Dreadrock Bloon health increased ― 12000 → 22500

Version 45.0

“

Previously we scaled Rock Bloon HP in Boss Rush faster than Dreadbloon in order to keep them relevant from start to finish within a rough 100 tier expectation. Players pushing beyond this expected range were finding obvious annoyance with this as the Rock Bloons would eventually outscale the Boss, so we’re reducing their scale to match in line with Dreadbloon but increasing the number of Rock Bloons that spawn. — Update notes

”

•  Dreadrock Bloon (Boss Rush): Health scaling reduced ― ×1.07 → ×1.055
•  Dreadrock Bloon (Boss Rush): Dreadrock Bloons per spawn increased ― 3 → 6

Version 47.0

•  Dreadrock Bloon (Elite tier 3): Health reduced ― 10,000 → 9,000
•  Dreadrock Bloon: Health now scales with boss health/speed modifiers

Version 49.0

“

Dreadbloon’s difficulty has been due too much to the Rock Bloons, so their strength is being reduced in favour of a more linear speed increase on the boss itself. Also Tier 1 Normal Dreadbloon’s damage reduction is being removed as we felt this hitting immediately was far too limiting to starting strategies, particularly in Rush game modes — Update notes

”

•  Dreadrock Bloon speed decreased ― 22 units/s → 18 units/s
•  Normal Dreadrock Bloon health decreased at all tiers
  • Tier 1 ― 300 → 250
  • Tier 2 ― 600 → 500
  • Tier 3 ― 900 → 750
  • Tier 4 ― 9,000 → 8,000
  • Tier 5 ― 22,500 → 20,000
•  Elite Dreadrock Bloon health decreased at all tiers
  • Tier 1 ― 600 → 500
  • Tier 2 ― 2,500 → 2,200
  • Tier 3 ― 9,000 → 8,000
  • Tier 4 ― 22,000 → 19,500
  • Tier 5 ― 45,000 → 40,000
•  Blimp instakills (XXXL Trap, Monkey Pirates, Pirate Lord) no longer target Rock Bloons (undocumented)
  • Note: This fixed a bug in Rogue Legends with the Discord Artifact when interacting with x4x and x5x Buccaneer

Version 51.0

•  Dreadrock Bloon: Should now be correctly affected by Boss Challenge rule modifiers (bug fix)

Gallery

Screenshots

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Sprites

• 
  Dreadrock Bloon at full health
• 
  Dreadrock Bloon at 75% health
• 
  Dreadrock Bloon at 50% health
• 
  Dreadrock Bloon at 25% health
• 
  Elite Dreadrock Bloon at full health
• 
  Elite Dreadrock Bloon at 75% health
• 
  Elite Dreadrock Bloon at 50% health
• 
  Elite Dreadrock Bloon at 25% health

Trivia

• Internally, Dreadrock Bloons have the Moabs and Boss tags, but lack the Bad tag which may explain some of its inconsistent properties.