Nindroid Warriors

Nindroid Warrior is an advanced combat robot designed by Cyrus Borg under the Digital Overlord's influence, and forms the heart of the evil Nindroid army.

Based on Zane's blueprints, Nindroid Warriors are said to be superior to the Ninja of Ice in every way; being stronger, faster, capable of cloaking themselves, and utterly emotionless. However, Nindroids rely on an outside source of power, unlike Zane, who's power source comes from within.

The Surge
The Nindroid Warriors were created in the factory of Borg Tower under the supervision of P.I.X.A.L. who had obtained blueprints for them when she had scanned Zane earlier.

The Art of the Silent Fist
Nindroid Warriors were dispersed throughout Ninjago to protect the Overlord's vital assets (such as the Power Station), establish security perimeters, and locate the Techno Blades. A group of them lead by P.I.X.A.L. were sent to Garmadon's Monastery where they faced off against the Ninja for the first time. However they were all deactivated when the Ninja destroyed the Power station.

Blackout
Some Nindroid Warriors were reawakened by General Cryptor at Ed and Edna's Scrap N' Junk using Electrocobrai.

The Curse of the Golden Master
In order to obtain the Golden Ninja, the Overlord dispatched two squads of Nindroids. The first was led by General Cryptor, which attacked the Ninja and Serpentine in the Stone Army Tomb. They however were just a distraction as the second squad (lead by Techno Wu was sent to Hiroshi's Labyrinth to capture Lloyd.

Enter the Digiverse
More Nindroid Warriors (presumably reactivated by Pythor) attacked Borg Tower to stop the Ninja from interfering with the Digital Overlord.

Codename: Arcturus
Nindroid Warriors including Min-Droid attacked Kai on the Nindroid Train.

The Void
Several Nindroid Warriors accompanied General Cryptor and Min-Droid on the mission to retrieve the Golden Weapons from the Arcturus comet.

The Titanium Ninja
A number of Nindroid Warriors were seen at Borg Industries, lined up to welcome the reborn Overlord and prepared to conquer New Ninjago City. Later on, they pursued the Ninja and tried to break the forcefield around the Temple of Fortitude, but Nya used General Cryptor's Destructoid to blast them.

The Invitation
Some of the remaining Nindroids were converted into Security Droids to protect the Golden Armor on the Secluded Island.

The Greatest Fear of All
Some Nindroids were placed in Kryptarium Prison. When No-Eyed Pete opened all the cells, the captive Nindroid Warriors faced off against Zane, but thanks to the original's upgrade, they were no match for the Titanium Ninja.​

Public Enemy Number One
The Nindroids returned with their white clothing when sonely Nadakhan tresspassed the Hiroshi's Labyrinth security system and sounded the alarm and defeats them easily. Then they and their New General were assembled to listen to Cyrus's orders that the realm Crystal has been compremised and wants them to search but without knowing so, Nadakhan pretended to be Cyrus and tricked them that the realm crystal wasn't compremised and they failed to protect it as Nadakhan teleported out and escaped with it.

Enkrypted
Two Nindroids were still imprisoned in Kryptarium when the Ninja were sent there for crimes they were framed for. Both were released into the courtyard by The Mechanic and they cheered him on as he demanded the Ninja hand over Zane for his spare parts. The Nindroids were present when a fight broke out in the cafeteria and they both joined in.

Day of the Departed
Some Nindroids assisted General Cryptor to attack Zane. They were equipped with jet packs to attack the Ninja of Ice until he was able to destroy the jet packs causing the Nindroids to return to the Departed Realm.

Lego.com Description
Nindroids are high-tech fighting machines manufactured based upon the blueprints of Zane. But they are the next generation of artificial warriors, stronger, faster, and more agile than Zane has ever been. In addition, they have cloaking abilities that let them turn invisible. This mechanical army serves the Digital Overlord. Where Zane is able to feel friendship and more, Nindroids have no emotions. They are completely cold and totally focused on accomplishing their mission. Nindroids cannot be reasoned with or frightened off and they will only do strategic retreats if it seems that defeat is inevitable.

Appearances
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 * 70723 Thunder Raider
 * 70724 NinjaCopter
 * 70725 Nindroid MechDragon
 * 70727 X-1 Ninja Charger
 * 70728 Battle for Ninjago City
 * 5002144 Ninjago Battle Pack

Season 3: Rebooted

 * 27. "The Surge" (no lines)
 * 28. "The Art of the Silent Fist"
 * 29. "Blackout"
 * 30. "The Curse of the Golden Master"
 * 31. "Enter the Digiverse"
 * 32. "Codename: Arcturus"
 * 33. "The Void"
 * 34. "The Titanium Ninja"

Season 4: Tournament of Elements

 * 35. "The Invitation"
 * 43. "The Greatest Fear of All"

Season 6: Skybound

 * 56. "Public Enemy Number One"
 * 57. "Enkrypted"

Day of the Departed

 * "Day of the Departed"

Video Games

 * LEGO Dimensions (non-canon)
 * LEGO Ninjago: Nindroids (non-canon)
 * LEGO Ninjago: Tournament
 * LEGO Ninjago: Shadow of Ronin (non-canon)
 * Rise of the Nindroids (non-canon)
 * Ninja Code (non-canon)

Dark Island Trilogy
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 * "Dark Island Trilogy, Part 1" (pictured only)