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