|“You four have merely scratched the surface of your full potential.”|
|“That's sufficient to start the growth process for a few warriors, but creating a large army requires a very specific environment. A swamp. They are using a swamp.”|
The Vermillion Swamps are swamps located somewhere near Ninjago City. They serve as the main headquarters for Krux and Acronix's Vermillion forces. It also houses the Vermillion Dome of Doom. They are connected to the Ninjago Museum of History through the sewers of Ninjago City.