There was another person who could stopped Voldemort. A person everyone thought had been dead for almost 30 years. OC
Severus didn't agreed to the third condition in the unbreakable vow. What if Severus didn't kill Dumbledore at the Astronomy Tower? What would happen? AU HBP
Severus get second chance to live again. AU
What if severus snape not severus snape? what if dumbledore has a son? AU