Full list of all 101 Battle Brothers achievements.
The base game contains 89 achievements, and there is 1 DLC pack containing 12 achievements.
Lose a game to barbarians
Use a Potion of Oblivion
Reassemble the legendary sword
Kill a Kraken
Have a Prophet while playing as a cult of Davkul
Defeat the Ijirok
Find 10 legendary locations
Have an Armored Unhold turn wild
Kill a Schrat
Kill one of your own men while mind-controlled by a Hexe
Kill a Hexe
Defeat a Barbarian King
Defeat an enemy champion
Have the Lone Wolf become level 11
Dye a shield in company colors
Destroy Webknecht Eggs
Kill an Alp
Have a full roster of 25 men when playing as peasant militia
Craft an item
Have a brother with 3 permanent injuries
Retire and have your company go down fighting
Retire and have your company persist
Lose 10 campaigns on Ironman mode
Have a brother come back as undead
Lose a game
Retire and have your company break apart
Retire from your legendary company
Reach day 365 on veteran difficulty or higher
Have a brother desert you
Destroy the Black Monolith and claim its treasures
Lose half or more of your company in one battle
Flee from combat
Reach 8,000 renown
End the noble feud at any difficulty level
Defeat all three late game crises on Ironman mode
Kill a Swordmaster in melee
Kill a Knight
Defeat a Noble House's unit
Have a total of 250,000 crowns
Kill a Master Archer with a ranged weapon
Defeat the Undead Scourge at any difficulty level
Knock out an enemy with a lute
Kill an Ancient Priest
Kill a Goblin Overseer with a ranged weapon
Kill 3 enemies with one AoE attack
Kill an Ancient Honor Guard
Kill a Goblin Shaman
Acquire 5 named items
Sell 50 trading good stacks
Defeat another mercenary company
Defeat a late game crisis on Ironman mode
Defeat the Greenskin Invasion at any difficulty level
Get to allied relations with a noble house
Reach 3,000 renown
Have a company roster of 20 brothers
Reach day 100 on veteran difficulty or higher
Kill an Orc Warlord in melee
Lose a level 11 or higher brother on Ironman mode
Bandage a wound in combat
Kill an Orc Berserker in melee while high on mushrooms
Kill a Necrosavant
Get a brother to 90 ranged skill
Get a brother to 90 melee skill
Get a brother to level 11
Acquire a named item
Have a total of 50,000 crowns
Complete a contract for a noble house
Sell 10 trading good stacks
Reach 1,000 renown
Kill a Bandit Marksman with a ranged weapon
Have a total of 5,000 crowns
Kill a Direwolf in melee
Kill 24 or more enemies in one battle
Kill a Necromancer
Kill a Fallen Hero
Fail a contract
Betray your employer
Have 5 or more brothers with a temporary injury at the same time
Kill a Geist
Have a company roster of 12 brothers
Get to friendly relations with a settlement
Reach day 10 on veteran difficulty or higher
Kill 2 enemies in one turn with a ranged weapon
Kill an enemy with a wardog
Complete a contract for a settlement
Have a temporary injury treated at the temple
Defeat Hoggart at any difficulty level
Have a brother receive a permanent injury
Lose your first mercenary in battle
Defeat a Blade Dancer
Defeat the Lorekeeper
Win the holy war for either side
Conquer a holy site