Requirements to Unlock: Complete the Love is Ruff? quest.
Build Ruffnut & Tuffnut's House.
IMPORTANT: Finishing this quest will permanently unlock Barf & Belch for purchase in the Book of Dragons / Shop.
For the first 12 hours, after completing this quest, this dragon will be discounted by 50%. He will cost 1,000 . After the 12 hours he will go to his full price of 2,000 .