AU. Time Travel. Snape goes back in time, holding the knowledge of what is to come if he fails. No longer holding a grudge, he seeks to shape Harry into the greatest wizard of all time, starting on the day Hagrid took Harry to Diagon Alley. No Horcruxes.
Harry Potter - Rated: T - English - Adventure - Chapters: 34 - Words: 232,332 - Reviews: 8119 - Favs: 13,331 - Follows: 10,141 - Updated: 3/16/2014 - Published: 10/20/2010 - Harry P., Severus S. - Complete