Yet another Demon's Souls analysis/lecture:
http://www.gamasutra.com/view/news/26786/Analysis_Assassins_Vs_Demons__A_Good_Place_To_Die.php
It talks about how DS created an immersive environment. The comments are interesting too.
http://www.gamasutra.com/view/news/26786/Analysis_Assassins_Vs_Demons__A_Good_Place_To_Die.php
In a Gamasutra analysis piece, writer/professor Michael Abbott draws from his recent experiences with Assassin's Creed II and Demon's Souls to contrast the effects of realistic environments versus artist-conceived backdrops.
It talks about how DS created an immersive environment. The comments are interesting too.