Full list of all 79 Darkest Dungeon II achievements.
The base game contains 65 achievements, and there is 1 DLC pack containing 14 achievements.
Lose a hero who was full of memories
Complete all heroes' entire backstory
Land the killing blow on a lair boss from the Bounty Hunter
Hire the Bounty Hunter
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
Kill 100 Swine
Kill 100 Gentry
Kill 100 Fisherfolk
Defeat Death
Visit every Inn
Treat a disease, remove a negative quirk, and lock-in a positive quirk at a single Field Hospital
Kill 100 Fanatics
Apply 5 memories onto a single hero
Unlock 50% of the Altar of Hope
Unlock the Flagellant
Unlock the Vestal
Complete Cowardice
Kill 100 Cadavers
Kill 100 Pillagers
Unlock the Jester
Unlock the Runaway
Complete Ambition
Defeat 3 lair bosses in a single expedition
Defeat the lair boss found in the Sprawl
Defeat the lair boss found in the Shroud
Have a trophy, pet, and four stagecoach items equipped all at once
Kill 100 Creatures
Complete Obsession
Kill 100 Cosmic beings
Defeat a Shambler
Enter the Mountain with a full party and all positive relationships
Kill 100 Gaunt
Clear the Sluice
Clear the Shroud
Abandon an expedition
Unlock 25% of the Altar of Hope
Party wipe against any Confession endboss
Drive 1,000 leagues in the stagecoach
Complete any hero's entire backstory
Complete Resentment
Purchase an indelible trinket from the Hoarder
Clear the Foetor
Defeat the lair boss found in the Foetor
Defeat the Antiquarian
Unlock the Occultist
Find a replacement for a fallen hero
Defeat the lair boss found in the Tangle
Unlock the Hellion
Apply a memory onto a hero
Complete Denial
Master 5 skills on a single hero during an expedition
Clear the Tangle
Unlock the Leper
Clear the Sprawl
Have a hero become resolute
Have a hero meltdown
Reach the first Inn
Unlock 100% of the Altar of Hope
Play the game on the anniversary of release
Defeat a Shambler with Shambler's Spawn equipped
Party wipe against each Confession endboss
Drive 20,000 leagues in the stagecoach
Enter the Mountain with a full party and all negative relationships
Defeat the final boss with the Stygian Blaze equipped
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
Apply 5 memories onto the Crusader
Complete the Crusader's backstory
Complete The Lost Crusade
Have the Highwayman and the Crusader form a positive relationship
Complete an expedition with The Usual Suspects