Nightmare Eggs

Nightmare Eggs are located in The Void. It costs 350,000 gems. It's like a broken egg, with a small sphere inside. Its aura is red. It's the most expensive egg in Update 2.

Common:

Zombie Cat

Demon Dog

Unique:

Skeletal Deer

Rare:

Nightmare Bat

Night Crawler

Epic:

Evil Butterfly

Hell Bat

Legendary:

Green Hydra

Demonic Hydra

Secret Legendarys:

The Overlord