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