Dark Doctor Bloon

Dark Bloon, or Doctor Bloon after making an experiment on himself, is one of the bloons and also the penultimate boss on Bloons Tower Defense: A Doctor's Tale.

Now tired and raging, Doctor Bloon does his best on trying to kill the monkeys and conquer the world.

Phase 1
A normal shadow-like bloon with a massive hp of 50,000, a extremely slow speed (as slow as Bloonarius) and of course, no children.

Abilities

 * Summon a Moablue Rampage
 * Emergency Call - Call Doctor Bloon Helper who is riding Machine Bloon, into the battle. (15 second cooldown)
 * Clone - Make two fake clones of itself that are identical, except that they can't use abilities and are immune to everything. (Both stay close at the original and dissapear after 5 seconds.)
 * Summon any bloon from BTD5 (except moab class bloons and without camo or regrow) The stronger they are, the less are summoned.

Phase 2
He transforms into a MOAB Class Bloon keeping his dark theme, and also with a total of 75,500 HP and staying with the same speed.

Abilities

 * Summon a Moablue Rampage Mk.2
 * Emergency Call 2 - Call Doctor Bloon Helper, however, he is riding Machine Bloon MK.2 this time. (30 second cooldown)
 * Invisible - Turn invisible for 2 seconds. (Monkey's don't shoot at it while invisible, however monkeys with camo vision can still aim and damage him.)
 * Bomb Rain - Throw 3 bombs to the air, landing on different monkeys, each bomb deals 25 damage and the explosion deals 12.5 damage.
 * Summon 5 MOAB's (1 minute cooldown)

Phase 3
This time he turns into a dark Z.O.M.G. with a total of 104,000 HP and the same speed.

Abilities

 * Summon a Moablue Rampage MK 3
 * Emergency Call 3 - Call Doctor Bloon Helper, still riding his MK2 Machine, however he also calls two additional helpers riding MK1 machines. (1 minute cooldown)
 * Rocket Rain - Throw 5 rockets to the air, anding on different monkeys, each rocket deals 50 damage and the explosion deals 25 damage.
 * Summon 5 BFB's (1 minute and 30 second cooldown)

After this battle, Energy Core is unlocked, the final boss battle.