Serpens Arcanem
[http://www.fanfiction.net/s/5237053/1/Serpens_Arcanem] - - public:opalsong
Sequel to Serpens Armarem! The Dark Lord has risen, and Harry soon finds out that his absence from Hogwarts doesn't excuse him from the coming war, while back at school Neville realises that not all evil takes the form of Death Eaters. AU, slash