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
Deal 75 damage with a single attack
Collect one of every weapon in the game
Complete Chapter 2 - The Depths
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
Log 24 hours of gameplay
Reach level 10 with all character classes