Operation Heavy Metal

Operation Heavy Metal

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“

Yes! Operation Heavy Metal's so good the ninja don't even know what's up. Nothing will stop us!

— Raggmunk

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Operation Heavy Metal is an operation created by Machia, in which everyone and all of the metal are taken to the Vermillion Dome of Doom to create the Iron Doom.

History

Trivia

Gallery

Promotional media

Screenshots

Events
World Events	War of the Oni and the Dragons · Battle of the Seas · Stone Wars · Takeover of the Serpentine Valley · First Serpentine War · Battle For All of Time · Prime Empire Incident · First Battle of Shintaro · Takeover of Shintaro · Battle between brothers · New Generation · Search for the Golden Weapons · Revenge of the Serpentine · Attack of the Great Devourer · Resurrection of the Stone Army · The Final Battle · Nindroid Conflict · Second Serpentine War · Battle of Stiix · Return of the Time Twins · Fall of Ninjago (Street Race of Snake Jaguar) · Rise of Ninjago · Release of Aspheera · Snaketastrophy · Monastery Siege · Resurfacing of Prime Empire · Vania's Birthday · Battle of Shintaro · Christening of Vania · Expedition to the Island of the Keepers · Conflict on the Island of the Keepers · Takeover of Merlopia · Search for the Storm Amulet · Fight for the Storm Amulet · Assault on Ninjago City · Ultimate Battle · Rapture · Tribulation
Never-Realm Events	Takeover of the Never-Realm (Freezing of the Formling Village · Annihilation of the Yeti) · Battle of the Great Lake · Lloyd's Journey · Freezing of the Great Lake · Liberation of the Never-Realm
Acts of Arson	Paltryville Fire · Anwhistle Aquatics Fire · Baudelaire Fire · Quagmire Fire · Heimlich Hospital Fire · Caligari Carnival Fire · V.F.D. Headquarters Fire · Hotel Denouement Fire
Annual	Ninjago Talent · Puppy Petting Competition · Take Back Ninjago
Birthdays	Vania's Birthday
Ceremonies	Choosing Ceremony
Competitions	Ninjaball Run · Speedway Five-Billion · Terra Technica Dance-Off · Tournament of Elements · Thunderblade · The Teeth
Holidays	Day of the Departed · Halloween
Natural	COVID-17 Pandemic · Nibiru · Yin-Yang Eclipse
Remembrances	9/11 · Yin-Yang Promise
Rituals	Munce Rite of Ritual Combat · Yin-Yang Promise
Trials	Trials-By-Mino · Trials-By-Sphinx
Wars	American Revolution · Civil War · Siege of Castillo de San Marcos
Games	Minidroid Chess · Rock, Paper, Clamp · Scrap-N-Tap · Templegate Tigers
Other	Alternate Timeline