Thread:Xxd4rch4ng3lxx/@comment-25811431-20141204120926/@comment-16055385-20141207172202

As far as I know you don't need to level up parents, as the chances of getting Crystal Dragon are the same as getting Legendary Dragon, or Mirror Dragon. If you can't breed it, you can always get it for 2.500  in the Store.

Check the article Crystal Dragon for more info.