Here is the full list of all 46 Heroine's Quest: The Herald of Ragnarok achievements.
Maximize your primary stats
Complete the game with less than 10 honor
Complete the game within one week
Complete the game with all three classes
Complete the game as rogue
Reach chapter 4 as rogue
Reach chapter 3 as rogue
Reach chapter 2 as rogue
Steal a quest reward without doing the quest
Complete the game while cursed
Reach maximum score as sorceress
Complete the game as sorceress
Reach chapter 4 as sorceress
Prove yourself a better guardian than Aurvandel
Win a moderate victory in the Test of Fate
Learn the lightning bolt spell
Reach chapter 3 as sorceress
Reach chapter 2 as sorceress
You've waited 24 years to do this!
Find the Hero6 room
Spend your life in jail
Win a difficult victory in the Test of Fate
Defeat Surtr
Complete the game with 100 honor
Reach maximum score as warrior
Complete the game as warrior
Reach chapter 4 as warrior
Defeat Brauggi
Prove yourself a better guardian than Sigurd
Win the battle for Munarvagir
Get killed in Quest For Yrolg
Mynd you, m00se bites Kan be pretti nasti...
Get decapitated in combat
Obtain Balmung
Find Radiant's room
Get slain by Elsa
Befriend Ratatosk
Win an easy victory in the Test of Fate
Deliver the svartalf crystal
Reach chapter 3 as warrior
Reach chapter 2 as warrior
Find your first food
Deal with violent situations without using violence
Reach maximum score as rogue
Play the entire game on hardest difficulty
Defeat Dolores