Severus Snape School Years Fanfiction: Who could be the main antagonist in such a story?

It could be Voldemort. Since Snape is always in a complex relationship with Voldemort in the Harry Potter universe, even in a fanfiction with Rumplestiltskin and the mirror. Voldemort might see Snape's new connection with Rumplestiltskin's magic as a threat and try to stop him.

A powerful dark entity or an ancient evil awakened in the wizarding world could also be the antagonist. This entity might sense Snape's importance in the fight against the dark side and target him. It could use dark magic to incapacitate Snape, and Moody, being one of the few who can sense the danger, comes to his rescue. The entity could be something that even Voldemort was afraid of or something that has been long forgotten but now resurfaces to cause chaos.

Well, Harry Potter would likely still be a main character. His relationship with Snape could be even more complex in this fanfiction. Since Snape is a demigod, Harry might be both in awe and a bit scared of him at times.

One possible antagonist could be a dark wizard from the past who somehow catches wind of Albus Severus' time - traveling and decides to use his knowledge of the future for his own evil purposes. Maybe a forgotten Death Eater who was thought to be dead but actually survived in hiding and now sees this as an opportunity to rise again.

Perhaps a group of rogue Hogwarts students who have fallen under the influence of dark magic. They want to use Harry for some dark ritual, and Snape becomes an unexpected shield for Harry. Snape has to deal with the internal problem of the school while also protecting Harry from these students.

It could be a dark wizard who is jealous of Snape's relationship with Hermione. This antagonist might try to break them apart by causing trouble in Hogwarts or spreading false rumors about them.

Luna Lovegood could be an interesting choice. Her unique and somewhat eccentric personality could complement Snape's brooding nature. She might see through his tough exterior and find the good in him, and their relationship could be based on mutual understanding of the 'outsider' status they both have in different ways.

Luna Lovegood could be an interesting love interest. She has an open - minded and eccentric nature. Her ability to see the good in people, even those like Snape who seem cold on the surface, could draw them together. She might be able to make Snape appreciate the beauty in the world in a way he never has before.

A powerful sorcerer could be the main antagonist. He might be after Percy's powers or trying to use the school as a base to spread chaos. Maybe he wants to open a portal to the underworld right in the middle of the schoolyard.

It could be a new dark wizard or witch who rises to power. Maybe someone who was once in Voldemort's shadow but now sees an opportunity with Voldemort gone (in this new fanfiction scenario where Snape has a second chance). This character could oppose Snape's attempts to reform the wizarding world and bring about a new era of peace and magic.