Zombie Dragon

Breeding
Zombie Dragon is a hybrid dragon which can be produced by Breeding between Dark Dragon and Metal Dragon at the Breeding Mountain or Ultra Breeding Tree.

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

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: