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