Board Thread:Dragon City Gameplay Questions & Answers/@comment-112.209.63.144-20130619061133/@comment-10090661-20130619160852

Fossil (Dark + Ice) +

Gummy (Nature + Electric) = Dark + Nature (Rattlesnake / Carnivore Plant); OR Dark + Electric (Neon); OR Ice + Nature (Mojito / Dandelion); OR Ice + Electric (Fluoroscent / Moose)

Cool Fire (Flame + Ice) = Dark + Flame (Vampire / Dark Fire); OR Dark + Ice (Penguin); OR Ice + Flame (Cool Fire / Soccer); OR Ice + Ice (Ice Dragon)

Armadillo (Terra + Metal) = Dark + Terra (Venom / Hedgehog / Bat); OR Dark + Metal (Zombie); OR Ice + Terra (Alpine / Snowflake / Great White); OR Ice + Metal (Pearl / Platinum)

It's like algebra - (a + b) x (c + d) = ac + ad + bc + bd. All you have to do after that is to look up Breeding.