One idea could be a story where they are forced to work together on a dangerous mission for the wizarding world. They start off distrusting each other but gradually come to respect one another as mates. Harry's courage, Snape's cunning, and Lucius's ambition could combine in interesting ways to overcome the challenges.
Forgiveness is also a major theme. Harry has to forgive Snape for all the times he was cruel to him, and vice versa. Also, mentorship is often explored. Snape, with his vast knowledge of magic, can become an unexpected mentor to Harry. They can learn from each other in ways that the original story didn't fully explore. And of course, friendship. The idea of two people who were enemies becoming friends is a very appealing theme in these fanfictions.
Well, a major theme is the power of forgiveness. Harry has to forgive Snape for his past actions, and Snape has to forgive Harry for being James Potter's son. Understanding is also common. They come to understand each other's motives and personalities better. And growth. Both characters grow as individuals because of their new - found relationship as mates. They become more empathetic and less judgmental towards each other.
One popular 'Harry and Snape are mates' fanfiction is 'The Bond Between Them'. It delves into how their unexpected friendship forms. Another is 'Unexpected Allies' which shows how they work together against common enemies while building their bond. There's also 'A Different Sort of Relationship' which focuses on their emotional connection and how it changes over time.
One great Snape and Harry mates fanfiction is 'The Unlikely Bond'. It beautifully explores their relationship development from enmity to a deep understanding. The author does a wonderful job of portraying Snape's complex character and how he gradually comes to see Harry in a new light.
One great 'Harry and Snape mates' fanfiction is 'The Unlikely Bond'. It shows how they gradually overcome their differences and form a deep friendship. Another is 'A New Understanding' which delves into their shared experiences that lead to their friendship. And 'The Bond Beyond House Rivalry' is also interesting as it explores how they work together despite being from different Hogwarts houses.
One common theme is redemption. Severus Snape is often seen as a complex character in need of redemption in these fics, and his relationship with Harry plays a part in that. Another theme is forgiveness. Harry has to forgive Snape for his past actions, and vice versa.
One interesting plotline could be Snape and Harry having to work together on a secret project for Dumbledore. They start off distrusting each other but as they face challenges, they gradually become friends. For example, they might be researching a powerful dark magic spell that Voldemort is after, and in the process, they learn about each other's past traumas and start to empathize.
One interesting fanfiction could be 'The Unlikely Bonds'. In this story, it explores how their relationships develop in a way that defies the typical animosity shown in the original series. It shows Harry, Snape, Lucius and Draco coming together due to a common threat to the wizarding world. They start to understand each other's motives and gradually form a sort of alliance, which eventually turns into an unexpected friendship.
There are multiple reasons. First, it's the redemption aspect. Snape has done some not - so - great things in the original story, and seeing him form a positive relationship with Harry is like a form of redemption. Second, it's the exploration of the power of forgiveness. Harry has every reason to dislike Snape, but in these fanfictions, he chooses to forgive and be friends. This sends a positive message. Also, it's the unique chemistry that can be created between these two very different characters, which can lead to engaging and unexpected story developments.