Here is the full list of all 22 Black Home achievements.
Earn all other achievements
10 hours
Reunite the Coy family
Defeat Monsigneur
Defeat the Mother Superior
Defeat the Shape in the Paddock
Turn the Shape upon it's masters
Blow up the Oil Room
Defeat Poppet
Place every chesspiece on the board
Aelysia joins the party
50 saves
5000 Gold
20 km
Defeat the Crawler in the Mineshaft
1000 Gold
1 hour
Defeat Skullhunter
Give the medicine to Galant in the library
Brachtmar joins the party
5 saves
100 Gold