Ironwood Dragon

Breeding
The can be bred by selecting a Plant Dragon to mate with a metal hybrid dragon, in either order, at the Breeding Cave/Epic Breeding Island.

Breeding Opposites
Breeding a Plant Dragon with an will only result in a Metal Dragon or Plant Dragon.

's Opposite: Malachite Dragon

Earning Rate
Coin per minute:

Dragon Earning Rates without boosts.

Boost Calculation Guide to use with the page linked above.