The house locations for the heroes are as follows.
Northern Mountains next to the Lightning
Southeast of Fire Mountain
, North of Vampire Den
In the Southwest corner of Ramoria
North of Fire Mountain
Inside the Ramoria Graveyard
Directly south of Temple of Almighty
's Castle. Top Room
South of the Temple of Seven
's Castle. Left room.
To the right of the church in the Dark Forest
Inside of Fira's Castle. Bottom room.
A Cave in the Northeast of the Ancient Daemonic Temple region.
A desert temple northwest of the Thieves Guild. You dig up the vampire's soul in a Strange Vial at the question mark right outside.
Inside the Darkhaven Cavern, to the Northeast. You dig up the Letter to the Dark Lord right outside the entrance.