Here is the full list of all 50 Dead In Vinland achievements.
Finish the game (Nice Vacation difficulty)
Slay Björn after poisoning him
Kill the volcano
Get the Orichalcum Breastplate
Kill Loki
Explore every area of the island
Have one of your characters murder another one
Get the Orichalcum Greaves
Go inside the volcano without protection and get out alive
Kill Elof
Convince Egill to join your cause
Convince Njall to join your cause
Get the Orichalcum Gauntlets
Convince Grim to join your cause
Convince Gwendolen to join your cause
Explore 100 areas
Craft 75 upgrades (multiple playthroughs)
Kick a character
Raise 5 sheeps simultaneously
Get a character to level 15
Get the Orichalcum Helmet
Get the Skull Ball
Win 50 fights (multiple playthroughs)
Have 10 characters in your village
Explore 50 areas
Craft all stations in the camp
Forge 150 items (multiple playthroughs)
Get a skill up to 100
Get a character to level 10
Spend a night without fire
Deal more than 15 damage in a single hit
Get a character to level 5
Win 10 fights (multiple playthroughs)
Give the maximum tribute to Elof
Lose a character
Explore 10 areas
Accumulate 10 negative traits on one character
Recruit your first ally
Win your first fight
Win a fight with only one character
Defeat 3 enemies with single attack
Win a fight with 2 looters in your team
Make Björn loses his patience
You succeeded, yet you didn't survive...
Slay Björn
Finish the game without losing anyone (min. Survival difficulty)
Finish the game (Survival difficulty)
Finish the game (Extreme Conditions difficulty)
Finish the game (Survival difficulty and True Viking)
Finish the game (Extreme Conditions difficulty and True Viking)