Here is the full list of all 24 Dungreed achievements.
The base game contains 16 achievements, and there is 1 DLC pack containing 8 achievements.
Defeat Kaminela wearing 3 different costumes.
Defeat Erta Ale.
Unlock more than 10 set effects.
Fill all the jewels of the Altar.
Request Yulford to build more than 9 times.
Defeat and seal Kaminela.
Talk with Arsha.
Defeat Lasley.
Eat 15 foods in one adventure.
Eat more than 25 types of food from the food shop.
Defeat Slime maker.
Defeat Envyrok.
Defeat Tunak.
Defeat Niflheim.
Defeat Belial.
Enhance an item twice.
Complete an adventure with no more than 5 food items.
Clear 8 stages of Hard Mode.
Buy all the items in the shop.
Master two abilities at the same time and defeat Kaminela.
Clear the boss rush.