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“Your Nindroids have failed, General Cryptor, but my next creation won't!”
The Overlord, "The Art of the Silent Fist"

The Nindroid MechDragon is a large dragon mech that was created by the Digital Overlord in order to capture Lloyd and steal his Golden Power, sending it out to go after Lloyd and Garmadon. The two evaded the dragon using the Proto Sam-X. The mechanical creature collapsed after the ninja shut down Wind Farms Power Station.

The Digital Overlord later used the MechDragon as his third vessel, after possessing Cyrus Borg and a Nindroid Warrior. The Overlord-possessed MechDragon carried Pythor and a corrupted Master Wu to Hiroshi's Labyrinth, where they captured Lloyd and abandoned Garmadon. Inside the MechDragon, the Overlord began draining Lloyd of the Golden Power. Just as he had almost finished doing so, the ninja destroyed the Digital Overlord in the Digiverse, cutting off his connection with the MechDragon and sending it plummeting into the Endless Sea, though Lloyd managed to escape before it hit the water. Shortly after, Pythor and several Nindroids dove underwater to float the MechDragon to the surface and retrieve the Overlord's new body.

It is unknown what became of the MechDragon after the Nindroid Conflict.


The Art of the Silent Fist

The Nindroid MechDragon is created by the Digital Overlord to hunt down and capture Lloyd. It finds Master Garmadon and Lloyd on the riverside and pursues them until the other Ninja shut down New Ninjago City's power plant. Deprived of its energy source, the MechDragon collapses.

The Curse of the Golden Master

Following his expulsion from a Nindroid Warrior's body by the Ninja, the reactivated Digital Overlord possesses the MechDragon, which has Electrocobrai installed in its body to function as its new energy source. Following his alliance with Pythor P. Chumsworth, the Digital Overlord uses the MechDragon to pursue and capture Lloyd.

Enter the Digiverse

After Lloyd's capture, the Overlord keeps him hostage on the MechDragon, so that no one can rescue him, while he drains the Green Ninja's Golden Power. However, the Ninja managed to reboot the Digiverse, severing the Overlord's connection to the MechDragon. With its controller gone, it crashes into the ocean, setting Lloyd free while trapping the Overlord's incomplete new form within itself.

Codename: Arcturus

The MechDragon is last seen in this episode. Pythor and the Nindroids, except General Cryptor, locate the MechDragon underwater and attempt to retrieve it. Pythor orders the Nindroids to use balloons to float the MechDragon out of the water.

LEGO Dimensions (Non-canon)

While battling Vortech, Wyldstyle, Batman, and Gandalf would summon the MechDragon to fight his falcon form. Engaging in a brief battle, the MechDragon would slam the two of them into the ground, destroying itself and wounding Vortech.


The MechDragon is extremely powerful and durable, able to endure immense punishment while pursuing its targets. Its wings enable it to fly at high speeds and are equipped with large saw blades to cut through obstacles. Its primary weapon is a large cannon on its back.



LEGO Ninjago: Masters of Spinjitzu

Season 3: Rebooted

Video Games


  • The Nindroid MechDragon is the first robotic dragon in Ninjago.



Hero mechs

Samurai Mech · Fire Mech · Golden Mech · Cole's Earth Mech · ElectroMech · Zane's Titan Mech · Salvage M.E.C. · Samurai Mech 2.0 · Firstbourne Mech · Lloyd's Titan Mech · Mech Jet · Blue Dragon · Fire Stone Mech

Villain mechs

Security Mech · Stone Army Mech · Nindroid MechDragon · Golden Master's Mech · Clouse's Earth Mech · Mech-enstein · Chenosaurus · Skulkin Mech · Iron Doom · Empire Dragon


Hero vehicles

Battle Wagon · Blade Cycle · Blue Dragon · Cliff Gordon's Yacht · Cole's Earth Mech · D.B. Express · Desert Lightning · Destiny's Bounty · Destiny's Bounty 2.0 · Destiny's Shadow · Earth Driller · ElectroMech · Fire Mech · Fire Stone Mech · Firstbourne Mech · Flying speeder · Garbage trucks · Ghost Cycle · Ghost Taker GT · Golden Mech · Jalopy · Jungle Chopper Bike · Jungle Raider · Kai Fighter · Kai's bike · Katana V11 · Katana 4x4 · Land Bounty · Lightning Offroader · Mech Jet · Ninja Nightcrawler · Nya's bike · Police cars · Proto Sam-X · Prototype X-1 · Racing bike · R.E.X. · Rock Cycle · Rock Roader · Ronin's Mech (non-canon) · Roto jet · Salvage M.E.C. · Samurai Mech · Samurai Mech 2.0 · Samurai VXL · Snowmobile · Storm Fighter · Titanium Ninja Tumbler · Tread Assault · Ultra Sonic Raider · Ultra Stealth Raider · Wu's Rickshaw · Wu's Ship · Zane's bike · Zane's Titan Mech

Villain vehicles

Anacondrai buggy · Black Bounty · Blade-Copter · Chain Cycle · Chenosaurus · Chen's Blimp · Chen's Ferry · Clouse's Earth Mech · Condrai Crusher · Destructoid · Dieselnaut · Empire Dragon · Fangpyre Robot · Fangpyre Wrecking Ball · Garmatron · Ghost ship · Golden Master's Mech · Hopper · Hover-Copter · HunterCopter · Iron Doom · Lunar rovers · Mech-enstein · Misfortune's Keep · Nindroid MechDragon · Noodle Trucks · Noodle Truck of Crime · Oni Bike · Oni Chopper · Raid Zeppelin · Rattlecopter · Security Mech · Serpentine Bus · Serpentine Train · Skulkin Mech · Sky Shark · Stone Army Mech · Stone Booster Bike · Tusk · Vermillion Invader · Vermillion Racer · Vermillion Ship · Warrior Bike

The LEGO Ninjago Movie vehicles

Destiny's Bounty · Fire Mech · Flying Jelly Subs · Garma Mecha Man · Green Ninja Mech Dragon · Ice Tank · Lightning Jet · Ninja Helicopter · Piranha Mechs · Manta Ray Bombers · Quake Mech · Shark Mech · Water Strider

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