According to Siliconera.com and many other sites such as
NeoGaf, Square Enix had recently registered a new domain name titled
warfornosgoth.com, which implies there might be indeed a game in the works. This would explain the constant "no comment" about the questions of the franchise´s resurrection. It is unknown as to what plans has S-E with this domain, but this means the series has not been forgotten just yet.
UPDATE: According
new OXM article, it seems that in 2011 artist Richard Buxton made a
Legacy of Kain-ish storyboard and when asked about the piece, he replied he can´t comment on that. Is that another hint that something is going on?
UPDATE 2: Buxton took down the storyboard image along with description altogether...
Here is what the storyboard could possibly represent:
