Full list of all 79 Darkest Dungeon II achievements.
The base game contains 65 achievements, and there is 1 DLC pack containing 14 achievements.
Defeat 3 lair bosses in a single expedition
Defeat Death
Visit every Inn
Apply 5 memories onto a single hero
Kill 100 Fisherfolk
Kill 100 Gentry
Complete Cowardice
Unlock 50% of the Altar of Hope
Complete Ambition
Kill 100 Pillagers
Kill 100 Fanatics
Enter the Mountain with a full party and all positive relationships
Unlock the Runaway
Unlock the Jester
Complete Obsession
Defeat the Antiquarian
Complete Resentment
Kill 100 Cosmic beings
Kill 100 Cadavers
Unlock 25% of the Altar of Hope
Unlock the Occultist
Have a trophy, pet, and four stagecoach items equipped all at once
Kill 100 Creatures
Defeat a Shambler
Kill 100 Gaunt
Defeat the lair boss found in the Tangle
Defeat the lair boss found in the Shroud
Clear the Shroud
Complete any hero's entire backstory
Unlock the Leper
Drive 1,000 leagues in the stagecoach
Clear the Sluice
Clear the Foetor
Defeat the lair boss found in the Foetor
Hire the Bounty Hunter
Apply a memory onto a hero
Complete Denial
Defeat the lair boss found in the Sprawl
Unlock the Hellion
Party wipe against any Confession endboss
Master 5 skills on a single hero during an expedition
Find a replacement for a fallen hero
Unlock the Flagellant
Unlock the Vestal
Clear the Tangle
Purchase an indelible trinket from the Hoarder
Have a hero meltdown
Clear the Sprawl
Have a hero become resolute
Reach the first Inn
Abandon an expedition
Unlock 100% of the Altar of Hope
Play the game on the anniversary of release
Land the killing blow on a lair boss from the Bounty Hunter
Defeat a Shambler with Shambler's Spawn equipped
Kill 100 Swine
Party wipe against each Confession endboss
Drive 20,000 leagues in the stagecoach
Lose a hero who was full of memories
Complete all heroes' entire backstory
Treat a disease, remove a negative quirk, and lock-in a positive quirk at a single Field Hospital
Enter the Mountain with a full party and all negative relationships
Have a full roster of heroes with at least one memory each
Defeat all 5 Confessions with the same four heroes without any of them dying
Defeat the final boss with the Stygian Blaze equipped
Apply 5 memories onto the Crusader
Complete the Crusader's backstory
Complete an expedition with The Usual Suspects
Have the Highwayman and the Crusader form a positive relationship
Complete The Lost Crusade
Land a Riposte with Man-at-Arms, Highwayman, and Duelist in a single fight
Land the killing blow on a lair boss with The Boot from the Duelist
Deal 20 damage with a Riposte skill from the Duelist
Complete the Duelist's backstory
Apply 5 memories onto the Duelist