Elemental Metal Dragon

The Metal Dragon is a creature set to appear in the fourth season of LEGO Ninjago: Masters of Spinjitzu. It is one of the dragons known to exist in Ninjago. It is Karloff's Elemental Dragon.

The Day of the Dragon
In The Day of the Dragon, Karloff unlocked his Metal Dragon along with the other Elemental Masters to get back to Ninjago in order too stop the Anacondrai Cultists.