Full list of all 79 Darkest Dungeon II achievements.
The base game contains 65 achievements, and there is 1 DLC pack containing 14 achievements.
Have a full roster of heroes with at least one memory each
Apply 5 memories onto a single hero
Complete Cowardice
Complete Ambition
Kill 100 Fisherfolk
Enter the Mountain with a full party and all positive relationships
Kill 100 Gentry
Complete Obsession
Defeat 3 lair bosses in a single expedition
Complete all heroes' entire backstory
Defeat the Antiquarian
Kill 100 Fanatics
Hire the Bounty Hunter
Complete Resentment
Clear the Shroud
Defeat Death
Kill 100 Cadavers
Unlock 50% of the Altar of Hope
Find a replacement for a fallen hero
Kill 100 Pillagers
Kill 100 Creatures
Treat a disease, remove a negative quirk, and lock-in a positive quirk at a single Field Hospital
Kill 100 Cosmic beings
Unlock the Jester
Party wipe against any Confession endboss
Kill 100 Gaunt
Defeat the lair boss found in the Foetor
Apply a memory onto a hero
Have a trophy, pet, and four stagecoach items equipped all at once
Defeat the lair boss found in the Sprawl
Unlock 25% of the Altar of Hope
Defeat the lair boss found in the Shroud
Drive 1,000 leagues in the stagecoach
Clear the Sluice
Unlock the Leper
Unlock the Flagellant
Defeat the lair boss found in the Tangle
Defeat a Shambler
Abandon an expedition
Purchase an indelible trinket from the Hoarder
Clear the Foetor
Complete Denial
Master 5 skills on a single hero during an expedition
Clear the Tangle
Have a hero meltdown
Have a hero become resolute
Clear the Sprawl
Reach the first Inn
Complete any hero's entire backstory
Unlock the Runaway
Unlock the Vestal
Unlock the Hellion
Unlock the Occultist
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
Visit every Inn
Enter the Mountain with a full party and all negative relationships
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 an expedition with The Usual Suspects
Complete the Crusader's backstory
Have the Highwayman and the Crusader form a positive relationship
Complete The Lost Crusade
Complete the Duelist's backstory
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
Apply 5 memories onto the Duelist