Here is the full list of all 10 Decks & Daggers achievements.
Defeat the Collector.
Destroy a 20 enemy.
Help Grognak the Troll to find a Dire Wolf.
Save Lily the Water Sprite.
Eat 4 Dung Fly Enemies in a Myrth Moss level.
Become the King of Trorin.
Create a 15 weapon.
Destroy 4 enemies in one fell swoop.
Buy the Scimitar weapon from Bartholos.
Finish a level with only 1 health left.