Penguin Dragon

Breeding
Breed an Ice Dragon and a Dark Dragon in the Breeding Mountain or Ultra Breeding Tree.

Damage Calculator
When attacking with Ice, Penguin deals double damage against Earth and Plant, half damage against Electric and Ice, and no damage against Dark. When attacking with Dark, Penguin deals double damage against Water and Metal and half damage against Plant and Dark. When defending, Penguin takes double damage from Fire and Metal and half damage from Water and Ice.

Counter Dragons
These are dragons that are best suited to defeat this dragon in Combat and there can be any number of good counter dragons: