Its not possible as they are opposite elements.
You only get pure fire dragon when breeding a fire dragon with a pure dragon. A pure dragon can be bred with two legendary dragons.
Breed any legendary Dragon with the element of which you want the pure. For E.G Breed Fire dragon with legendary to get pure fire dragon
to get pure fire dragon you need pure dragon and fire dragon to get the purefire dragon
first we need to buy the elemental dragons, they are: earth dragon, fire dragon, water dragon, electric dragon, ice dragon, metal dragon and dark dragon. then breed the elementals with each other in a breeding mountain or ultra breeding tree and get hybrid dragons like: flaming rock dragon, alpine dragon, laser dragon, volcano dragon and others.then breed the hybrids to get rare ones like:soccer dragon, cool fire dragon, gummy dragon, armadillo dragon, petroleum dragon, moose dragon and poo dragon. you can get soccer dragon and coolfire dragon by breeding mediveil dragon(metal+fire) and alpine dragon(ice+earth). then breed the rare dragons to get the legendary dragons, they are:legendary dragon, wind dragon, mirror dragon, crystal dragon and king dragon. then breed the legendary dragons to get the pure dragon, the pure dragon lives in a pure habitat, not a legendary habitat or any other dragon habitats. the pure type dragons are:pure dragon, pure unicorn dragon, pure fire dragon, pure water dragon, pure earth dragon, pure plant dragon, pure electric dragon, pure metal dragon, pure ice dragon and pure dark dragon(pure dark dragon is not comfirmed but people claim to have a dark dragon with a pure logo and 2 heads but if it has a pure logo I'm sure it is a pure dark dragon). P.S. You can only get the Elemental Dragon by buying it except you can get fire dragon for free by breeding fire dragon and cloud dragon good luck at breeding cool dragons and remember that you can't always have 100% at breeding :) and also add me on facebook if you have facebook, I'm Leo Jiang and my profile picture is me at Ocean Park.
legendary and fire dragon
If you need any air pure fire in dragon city. how can I help you to get an air pure fire?If you need an air purifier, For how easily you can get clickhere then you could easily finding your products.
The Pure Dragon can be created by breeding any legendary (Legendary+Crystal, Legendary+Mirror, Legendary+Wind, Crystal+Mirror ,Crystal+Wind, Mirror+Wind) with another legendary. It takes 48 hours to breed, and another 48 hours to hatch. The Pure Dragon is used to breed a Pure Earth Dragon (Pure + Water) and the Pure Fire Dragon (Pure + Earth). (But don't forget to use breeding boost)
nature and flame
Weaknesses: ElectricResistances: Fire, Earth, metalEffective against: Ice, EarthResisted by: Electric, Fire
Soccer or Cool Fire Dragon
if you want to take an fire dragon make some fire compinations together and if you want tou take pure fire dragon then make pure with fire
how do you make pure dragon