The Inhuman Bondage Add-on for Darkest Dungeon II has 20 achievements.
Kill 7+ Slimes in a single combat
Have any hero use a Cracked Geode in combat
Clear the Catacombs and the Sluice in a single expedition
Complete Abomination's Backstory
Apply 5 memories onto the Abomination
Form a team with the Abomination and 3 of the following heroes: Vestal, Crusader, Flagellant, Leper
Have two different members of your party forced into a resolve check due to the Abomination over the course of a single Expedition or Kingdom campaign.
Have the Abomination use a Coiled Chain on the Cryptkeeper in the Catacombs
Have the Abomination transform into beast form three times in a single fight
Land the killing blow on the Alpha Rot Claw from the Abomination
Hit the Antiquarian with a Ragged Coin Purse
Gain each of the effects from the Purloiner Felid at least once in a single expedition or campaign
Successfully complete the K1: Hunger of the Beast Clan module on any difficulty
Defend a siege using only Peasant Militia
Use a Signal Flare
Purchase an Inn Capstone
Complete 5 kill contracts in a single campaign
Possess a Trophy from the Sprawl, Foetor, Tangle, Tundra and Shroud at once in a single campaign
Have 8 heroes involved in relationships at the same time
Purchase one of each Inn Capstone in a single campaign