Board Thread:Archive/@comment-5933172-20140219030352/@comment-11259553-20140219033920

Bat and Angry: use a Legend + dragon with one of the target's elements.

Legendary and Crystal: use two dragons with the Pure or Legend elements.

Not sure on the rest. They've been added to the build menu. I'd suspect if they are breedable it would be via the same method as Bat and Angry.