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