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