Dragon City Hot Metal Dragon is a hybrid dragon. Can be produced through breeding combination between Electric Dragon and Fire Dragon.
Official description for Dragon City Hot Metal Dragon
“The Hot Metal Dragon is impressive – turn the temperature on and watch it ignite. This dragon comes from the core of earth, where its ancestors still live and breed.”If you have any Hot Metal Dragon information, please share it below.
There is no guarantee that breeding combination between Fire Dragon and Electric Dragon will give you Hot Metal Dragon, as other dragon may be produced as a result. So, you get Hot Metal Dragon through other breeding combinations as well.