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