Aren't these two a hot couple? Pity, there's so little out there about them...

I think the best slashy/emotional moment (besides the Final Confrontation) is in the opening of Defiance: the scene where Raziel is thrown into the Abbyss. Just look at Kain's face - and the fact that he has to look away! Not a happy vampire here...

The only story I know is a WIP from an author who hasn't updated for nearly a year. Still, here it is:

http://www.geocities.com/raihnefirehawk/fanfics.html

I still havn't given up hope that there will be another game in this series.