How to get a bone dragon in dragon vale
Breed a level 10 earth dragon and a level 10 fire dragon. Earth on left and fire on right. (need to be level 16 at least)
How to get a lava dragon
You have to breed a fire dragon with a earth dragon and there you go your very own lava dragon.
How to get a Seaweed Dragon
This is how I got a seaweed dragon on DRAGONVALE: Breed/Buy a Marsh dragon Buy a Water dragon Feed until both are juvinile Breed the two, probably put Marsh on the plant side (check in market, see the little flags) And obviously, the water on the water side. CHECK: the turnout egg should be green and blue Striped. If not, it's probably another marsh dragon.
How to have an air dragon and a rainbow dragon
To have an air dragon u should have a proper water and a fire dragon (no hybrids/mixtures). Sent them to the breeding cave. Select water dragon on the left and fire dragon on the right. U will get an air dragon in 2 hours after breeding. After getting an air dragon send air and fire dragon to the breeding cave and u will get a blazing dragon. Send cold and blazing dragon to the breeding cave and in 48 hours after breeding u will get a rainbow dragon.
Real rainbow dragon
To get a rainbow dragon, breed an ice dragon and a blazing dragon!! (a blazing dragon us air and fire, and ice is water and cold.) the levels do not matter, but mine were level seven.