Mermonkey
Magic
Mermonkey
Upgrades
Path 1
1. Trident Efficiency$150total $150Acclimation to local water density allows Mermonkey to attack faster with all attacks.
2. Trident Swiftness$250total $400Tridents are thrown faster and travel further.
3. Abyss Dweller$1 800total $2 200The Abyssal Creature awakens, angrily lashing out at Bloons with powerful tentacles and granting nearby Monkeys a small pierce increase.
4. Abyssal Warrior$4 200total $6 400Coats tridents in a thick ink that slows Bloons. Abyssal Creature grows in power, destroying most Bloons with ease and enhancing nearby Monkeys with more pierce.
5. Lord of the Abyss$23 000total $29 400The fully unleashed wrath of the Abyssal Creature brings the power of the depths to the surface, annihilating most Bloons, and greatly enhancing the pierce of nearby Monkeys.
Path 2
1. Sharper Prongs$200total $200Can pop more Bloons with each attack.
2. Tidal Chill$225total $425Icy tridents are larger and can freeze Bloons.
3. Riptide Champion$2 000total $2 425Mermonkey draws energy from the sea. Tridents can pop Lead Bloons, grow in power as they travel, and crash with devastating force.
4. Arctic Knight$8 000total $10 425Tridents grow in power faster. Ice Jet ability: Launches a barrage of bouncing ice balls following target priority, or targeted point.
5. Popseidon$52 000total $62 425Popseidon's Ice Jet ability draws such power that a rogue wave floods the map with supercooled water, freezing all Bloons and reclaiming the weak for the sea.
Path 3
1. Echosense Precision$200total $200Mermonkey can detect Camo Bloons and tridents seek their target.
2. Echosense Network$280total $480Increases range for all Echosense Mermonkeys. Stacks up to 10 times.
3. Alluring Melody$2 000total $2 480Entrances non MOAB-Class Bloons with a hypnotic tune, magically detonating all damage over time effects, disrupting Bloon movement, and strips Camo.
4. Symphonic Resonance$7 600total $10 080Hypnotic tune can affect low tier MOAB-Class Bloons. Can be set to echo from a nearby point.
5. The Final Harmonic$25 000total $35 080This Elder can echo its irresistible tune anywhere. While devastating to Bloons, the call inspires nearby Heroes with improved range and cooldowns, and Magic Monkeys extra pierce.
Abilities
| Ability | From | Cooldown | Effect | Description |
|---|---|---|---|---|
 MermonkyAbility | 0-4-0: Arctic Knight | 45 s | radius 2; damage 20 | MermonkyAbility |
 MermonkyAbilityBig | 0-5-0: Popseidon | 45 s | radius 2; damage 30; radius 9 999 999; damage 70 | MermonkyAbilityBig |
Crosspath
Pick the path tiers like in the game. Shown: the cost with all upgrades, attacks, cooldown, damage and pierce of every projectile, nested ones included (explosions, fragments).
Numbers by tier
| Tier | Range | Cooldown, s | Damage per shot | Pierce | Rough DPS | Cannot pop |
|---|---|---|---|---|---|---|
| 000 | 28 | 1.2 | 2 | 3 | 1.6667 | Lead |
| 100 | 28 | 0.96 | 2 | 3 | 2.0833 | Lead |
| 200 | 28 | 0.66 | 2 | 3 | 3.0303 | Lead |
| 300 | 28 | 0.66 | 4 | 3 | 6.0606 | Lead |
| 400 | 28 | 0.66 | 8 | 3 | 12.1212 | Lead |
| 500 | 32 | 1.5 | 50 | 50 | 33.3333 | Lead |
| 010 | 28 | 1.2 | 2 | 6 | 1.6667 | Lead |
| 020 | 28 | 1.2 | 2 | 6 | 1.6667 | Lead |
| 030 | 32 | 1.5 | 8 | 25 | 5.3333 | White Purple |
| 040 | 32 | 1.5 | 16 | 25 | 10.6667 | White Purple |
| 050 | 40 | 0.75 | 30 | 25 | 40 | White Purple |
| 001 | 28 | 1.2 | 2 | 3 | 1.6667 | Lead |
| 002 | 28 | 1.2 | 2 | 3 | 1.6667 | Lead |
| 003 | 28 | 1.2 | 2 | 9 | 1.6667 | Lead |
| 004 | 32 | 1.2 | 2 | 9 | 1.6667 | Lead |
| 005 | 38 | 1.2 | 2 | 18 | 1.6667 | Lead |
Knowledge
| Knowledge | Effect | Works from |
|---|---|---|
| Hot Magic | All Magic type towers can pop Frozen Bloons. | placement |
Plus the ones every tower gets:
From game data: the tower model names the knowledge, or the knowledge names the tower or one of its upgrades. "Works from" lists the first tiers whose model has it.