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