Here is the full list of all 12 Dungeons and Dragons: Daggerdale achievements.
Kill 1000 goblins
Complete Chapter 4 - The Altar of Bane
Complete Chapter 3 - The Mouth of the Void
Complete Chapter 2 - The Depths
Deal 75 damage with a single attack
Complete Chapter 1 - Ruins of Tethyamar
Complete Tutorial - Descent into Darkness
Finish Co-Op campaign (any MP campaign)
Have 100,000 gold in your bag at one time
Collect one of every weapon in the game
Log 24 hours of gameplay
Reach level 10 with all character classes