Here is the full list of all 19 Obscene Mansion achievements.
Find and apply the Blue Crystal
Find and apply the White Crystal
Find and apply the Red Crystal
Find and apply the Purple Crystal
Find and apply the Green Crystal
Put the soul of the Grim to rest
Put the soul of the Vampiress to rest
Put the soul of the Onna to rest
Put the soul of the Mummy to rest
Put the soul of the Psycho to rest
Carry out Exile
Get 6 phone calls
Encounter with the Succubus
End it all..
Collect all 10 magazines