A century dragon takes 10 hours to breed, or 8 hours if using the epic breeding island.
It takes 14 hours to breed and hatch in DragonVale.
If you breed any type of dragon as long as they are lv 10 you will get them
The gold dragon is a permanent legendary dragon, so you can take your time trying to breed it.
water earth fire air all in order
10 hours but you might have a lava because they take 10 hours too
2days
14 hours
for dragonvale its 4 hours
You will need to just work on leveling up. It shouldn't take long. The first gemstone dragons come available at level 12.
no time just keep feeding it
The most effective method of breeding a sonic dragon is an air dragon (lv 10 left) and a lightning dragon (lv 10 right). This has about a 94% success rate. The egg is bright purple with a turquoise lightning bolt. It takes 8 hours to hatch. You may also purchase the sonic dragon for 1,000 gems in the market.
It takes 12 hours for them to breed.