Firework Dragon

Breeding
The can be bred by selecting a fire dragon to mate with an air dragon at the Breeding Cave/Epic Breeding Island.

Breeding a fire dragon with an air dragon may also result in a Blazing Dragon.

Earning Rate
Coin per minute: Level 1: 6 / Level 10:  41

Dragon Earning Rates without boosts.

Boost Calculation Guide to use with the page linked above.