The Dragonborn Add-on for The Elder Scrolls V: Skyrim has 10 achievements.
Tame and ride 5 dragons
Complete "At the Summit of Apocrypha"
Learn the secrets of 5 Black Books
Learn all 3 words of Dragon Aspect
Own a house in Raven Rock
Discover 30 locations on the island of Solstheim
Craft an item out of Stalhrim
Complete "The Path of Knowledge"
Complete "The Temple of Miraak"
Arrive on Solstheim