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