Final Boss

“

It has all led to this — Message that appears when selecting a Final Boss tile

”

Final Boss is a type of tile in the Rogue Legends DLC for Bloons TD 6. The objective is to defeat a Boss Bloon in a manner similar to Boss Challenge without Battle Mode. The Final Boss is always the final battle of each stage, and the player is required to defeat it to progress to the next stage. The player wins the campaign after defeating the Final Boss of stage 4. The Final Boss of each stage is random, but the same boss will never appear more than once in a single campaign (except in CHIMPS mode, where the bosses on stages 8 and up will cycle in the same order as the first seven stages of that campaign).

Mechanics

The boss uses the Normal version on stage 1 and Elite on stages 2 and up, and the boss's tier is the same as the stage number. In CHIMPS mode, the boss is always at tier 5 on stages 5 and up. Bloonarius, Lych, and Diamondback use their Normal mode Bloon spawns even in Elite mode. If the player successfully pops the boss, the game ends immediately after the boss's death animation even if there are still Bloons on-screen.

Defeating the boss rewards the player with a choice between a Legendary Artifact unique to the boss (replaced by another random Legendary Artifact if the player already has it) or tier 5 Insta Monkeys and allows them to extract one Artifact to use as a starting Artifact in future campaigns. The player loses if they fail to reach the final round, the boss escapes, or the player runs out of lives. Losing the battle or restarting after starting the first round costs one heart.

The battle uses the default Rogue Legends rounds and the boss spawns immediately upon starting the first round. On stage 1, the battle starts on round 10 and ends on round 50. The start and end round increase by 5 on each successive stage (e.g., stage 2 uses rounds 15–55, stage 3 uses rounds 20–60, and so on). The player earns a Boost and their Insta Monkeys recharge one round each time they reach a skull on the boss's health bar; they do not earn these by completing rounds.

The boss's movement speed is reduced, though the amount depends on the type of boss. The speed and health of other Bloons depends on the difficulty of the current stage. The player's starting cash is determined by the below formula. In CHIMPS mode, the player starts with 15% less cash.

$\text{Starting cash}=15000+(\text{Starting round}\times \text{max}(650-\text{Stage}\times 50,100))$

Boss stats

The health of each boss starts with a specific value on stage 1 and increases by 3× its starting health on each stage after.

Boss	Health					Speed modifier
	Stage 1	Stage 2	Stage 3	Stage 4	Stages 5+
Bloonarius	20,000	80,000	180,000	300,000	$120,000\times \text{Stage}-180,000$	×0.4
Lych	12,500	50,000	112,500	187,500	$75,000\times \text{Stage}-112,500$	×0.5
Vortex	15,000	60,000	135,000	225,000	$90,000\times \text{Stage}-135,000$	×0.6
Dreadbloon	10,000	40,000	90,000	150,000	$60,000\times \text{Stage}-90,000$	×0.36
Phayze	13,500	54,500	121,500	202,500	$81,000\times \text{Stage}-121,500$	×0.4
Blastapopoulos	17,000	68,000	153,000	255,000	$102,000\times \text{Stage}-153,000$	×0.34
Diamondback	15,000	60,000	135,000	225,000	$90,000\times \text{Stage}-135,000$	×0.6

Banned maps

The following maps cannot appear on a Final Boss tile:

• #Ouch
• Blons
• Bloody Puddles
• Covered Garden
• Dark Dungeons
• Enchanted Glade
• Encrypted
• Erosion
• Flooded Valley
• Geared
• Glacial Trail
• Infernal
• Last Resort
• Mesa
• Midnight Mansion
• Mushroom Grotto
• One Two Tree
• Pat's Pond
• Polyphemus
• Protect The Yacht
• Quad
• Rake
• Ravine
• Sanctuary
• Tricky Tracks
• Workshop
• X Factor

Update history

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Version 51.0

Boss	Changes
Dreadbloon	Speed reduction on Final Boss tiles increased ― ×0.4 → ×0.36
Phayze	Health on Final Boss tiles reduced Stage 1 ― 15,000 → 13,500 Stage 2 ― 60,000 → 54,500 Stage 3 ― 135,000 → 121,500 Stage 4 ― 225,000 → 202,500 Stage 5+ ― 90,000 × Stage − 135,000 → 81,000 × Stage − 121,500  Also affects Reality Shield health
Blastapopoulos	Speed reduction on Final Boss tiles increased ― ×0.4 → ×0.34  Health on Final Boss tiles increased Stage 1 ― 15,000 → 17,000 Stage 2 ― 60,000 → 68,000 Stage 3 ― 135,000 → 153,000 Stage 4 ― 225,000 → 255,000 Stage 5+ ― 90,000 × Stage − 135,000 → 102,000 × Stage − 153,000

Version 54.0

• Lych and Diamondback can now appear in Mini Boss and Final Boss tiles

Gallery

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In other languages

Language	Text	Notes
Arabic	الزعيم النهائي	—
Danish	Sidste boss	—
German	Letzter Boss	—
Spanish	Jefe final	—
Spanish (Latin America)	Jefe final	—
Finnish	Loppupomo	—
French	Boss final	—
Italian	Boss finale	—
Japanese	ラスボス	—
Korean	최종 보스	—
Dutch	Eindbaas	—
Norwegian	Sistesjef	—
Polish	Końcowy boss	—
Portuguese (Brazil)	Chefe final	—
Russian	Финальный босс	—
Swedish	Slutgiltig Boss	—
Thai	บอสสุดท้าย	—
Turkish	Nihai Patron	—
Chinese (simplified)	最终Boss	—
Chinese (traditional)	最終頭目	—