In Arena, defeating the Dark Dragon will award 10000 points, increasing by 10000 points each time the Dark Dragon is defeated. Higher leagues will increase a multiplier for points scored, with a maximum of 5x in Jade league.
Special: lobbed fireballs can hatch Imp Dragon Zombies
With a rumble of destruction, Dr. Zomboss forged his Dark Dragon in the heart of a volcano. Then he tempered the beast in the chilled waters of Doom Lake. Finally he fed its furnace with coal from the Mines of Morbidity. And the paint job - that was done by Carl.
Zombot Dark Dragon
TOUGHNESS
Undying
SPEED
Hungry
The desolator of all, from dark times.
Damage: fire breathing attacks destroy plants
Special: lobbed fireballs can hatch Imp Dragon Zombies
With a rumble of destruction, Dr. Zomboss forged his Dark Dragon in the heart of a volcano. Then he tempered the beast in the chilled waters of Doom Lake. Finally he fed its furnace with coal from the Mines of Morbidity. And the paint job - that was done by Carl.
Overview
The Zombot Dark Dragon absorbs approximately 27000 damage per shot and its appearance changes upon absorbing 7000, 16000, and is defeated at 27000 damage per shot.
Attacks
The Zombot Dark Dragon randomly performs one of the following actions:
Unlike the first four Zombots, this one is not a one-eyed, four-legged robot, although its eyes look similar to the other Zombots' (although this one has slits as pupiles). After it is defeated, one of the Zombot's eyes fall off as metal parts can be seen. This shows that it is a robot, not a biological lifeform. However, it is unknown if this one is four-legged or not.
It is the first zombie and Zombot to lose an eye when defeated. The second is the Zombot Dinotronic Mechasaur.
Dr. Zomboss is dressed up like a Roman gladiator, since Rome fell just before the Dark Ages, but the East Roman Empire (Byzantine Empire), survived until 1453, which was time when the Dark Ages started fading away into the Renaissance.
Dr. Zomboss' veins are shown through his helmet.
There is a cross tattoo or scar on the dragon's face.
The full body of the dragon is only shown when it flies in. However, it is only a shadow of it.
It summons zombies in a different manner than the first four Zombots. In the first four battles, zombies are summoned out of a portal inside the Zombot's mouth, by slowly transforming first from a white silhouette. The Zombot Dark Dragon summons zombies similar to how Gunpowder Devil and Blade-Wielding Hero summons zombies; the zombies simply rise out of the ground whenever it roars.
Zombot Dark Dragon and Zombot Sharktronic Sub are the only Zombots with a weakness. The boosted Magnet-shroom tugs on the Zombot's nose ring, stunning it briefly while Tangle Kelp entangles the turbine of Zombot Sharktronic Sub.
However, the Zombot Tomorrow-tron can be stunned by the Blover as it charges.
When it breathes fire, it can kill zombies.
Prior to an update, it could even kill Imp Dragon Zombies, even though they are immune to fire damage.
Also, Dr. Zomboss does not wear his gladiator armor. Instead, he is wearing his usual lab gown.
Dr. Zomboss does not summon any stationary zombies in his fights, namely the Zombie King.
The fireball attack usually aims at Magnet-shrooms. This is because Magnet-shroom is an essential part of the fight, and the player can only have one of them at a time.
Plants on a scorched tile when fed with Plant Food will be destroyed once they are finished with their Plant Food ability.
It is the second Zombot in Plants vs. Zombies 2 to be able to fly, with the first being Zombot Tomorrow-tron (without legs), and the third being Zombot Aerostatic Gondola.
It is the first Zombot to feature a new zombie (Imp Dragon Zombie, assuming the player did not first encountered it in Arthur's Challenge).
In Modern Day - Day 33, there is a glitch where if the Guacodile is placed on a Zombot and after the Money Bag is collected, it'll do a rush attack on the Zombot as Dr. Zomboss teleports away.