Snape and Dumbledore enact an old tradition in the castle, hoping to gain a much-needed edge. More-or-less AU starting at book 6. Rated for language and smut.
Harry Potter - Rated: M - English - Romance/Adventure - Chapters: 49 - Words: 104,131 - Reviews: 1858 - Favs: 1,908 - Follows: 1,316 - Updated: 7/20/2016 - Published: 12/30/2015 - [Hermione G., Severus S.] - Complete