Fire Mech

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The Fire Mech is a Ninja vehicle used in LEGO Ninjago: Masters of Spinjitzu. It is a red and gold mech with a cannon for a right hand, built by Nya for Kai's use.

Island of Darkness
While the Ninja were searching for the Temple of Light at the Island of Darkness, Nya and Dr. Julien began building vehicles.

Later, the Ninja had to evacuate in the Earth Driller, but when they reached a mountain where the Temple was located, they opened the trunk and found the Fire Mech compacted inside. When Kai pressed a button, the mech unfolded into its humanoid form. With Kai at the controls and the others climbing on top of it, the Fire Mech began scaling the mountain, slowing down the Stone Warriors with its weaponry along the way. When the Ninja reached the Temple of Light, Kai briefly used the Fire Mech to bring a rockslide down on the Stone Army, buying them time to unlock their new powers.

Rise of the Spinjitzu Master
In order to follow the Falcon, the Ninja, Misako, Sensei Wu, and Dr. Julien rode the Fire Mech as it climbed the mountain back to the Temple of Light. The Fire Mech was presumably left on the Island of Darkness when the Ninja used the Golden Mech and the Ultra Dragon to return to Ninjago.

Functions
The Fire Mech has the ability to compact itself in order to fit inside the back of the Earth Driller, being able to reassemble itself upon the press of a button. It comes equipped with an energy blaster and a grappling hook, helping the Fire Mech attack its opponents and scale mountains with ease.