Dragons such as Blue Fire, Frostfire, and Sandstorm have opposing elements. When I choose a fire dragon, cold gets greyed out. When I choose an air dragon, earth gets greyed out. So how do I breed these types of opposing element hybrids?
Dragonvale – How to Breed Dragons with Opposing Elements in Dragonvale
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Related Solutions
I believe there is a trophy for having all dragons at once, and they are more likely to make the breeding combo you want. Other than that, they are there for whatever tiny amount of money they give.
Per the wiki:
The Sakura Dragon can be bred by using a combination of dragons whose elements include plant, earth, and fire. The in game splash message indicated that you must be level 11+ to breed this dragon.
You may have bred a Sakura dragon if you get a breed time of 10 hours, but you will have to wait till you see the egg to be sure, since it could be a Lava dragon as well. The egg is brown egg with three cherry blossoms on it, like this:
The sakura dragon is only breedable until May 3rd.
Best Answer
For cases such as the above, where a hybrid dragon includes opposing element types, it is not possible to use basic dragons. Since the basic dragons are opposites, they will not breed, and that is why they get greyed out as options. In order to breed these dragon types, it is necessary to choose at least one hybrid dragon in the pairing. For best chances, pairing a basic with a hybrid will reduce the number of other potential unwanted dragon types that can result. So for example by this logic Fire + Lichen (Cold hybrid) would be a better choice to attempt Blue Fire than Brass (Fire hybrid) + Lichen (Cold hybrid).