One common theme is the idea of an outsider or different type of magic. Since a Cerberus as a familiar is not a common concept in the original Harry Potter series, it often represents Harry or another character being different. For example, they might be shunned by some for having such an unusual familiar.
Another theme is the power and danger that comes with having a Cerberus. Cerberus is a very powerful and mythical creature. Fanfictions often explore how the character has to control and manage this power. They may face challenges like the Cerberus getting out of control or attracting unwanted attention from dark wizards who want to use the Cerberus for their own evil purposes. It's a theme of responsibility and the consequences of having great power.
There's also a fanfic called 'Cerberus by His Side'. In this story, the Cerberus becomes Harry's protector in a more dangerous version of the wizarding world. It's really interesting to see how the author weaves in the lore of Cerberus from Greek mythology into the Harry Potter universe. The Cerberus is depicted as a fierce yet loyal companion to Harry.
Perhaps the fanfic could explore the idea of Cerberus being a familiar that helps Harry in his fight against Voldemort. Cerberus could guard important places for Harry, or even accompany him into battle. Its three heads could provide different forms of defense or attack, making it a very formidable ally for Harry in the wizarding war.
The plot could start with Harry stumbling upon Cerberus in a hidden part of Hogwarts. He feels an instant connection and decides to try and make Cerberus his familiar. This would be a difficult task as Cerberus is known to be very fierce. But Harry's kindness and his ability to understand magical creatures might win Cerberus over.
Well, a frequently seen theme is the role of familiars in character development. In these fanfictions, familiars can act as guides or sources of strength for the characters. Also, the idea of dark and light magic is often explored. The Grimm elements can introduce some darker, more fairy - tale - like magic, which contrasts with the more defined light and dark magic in Harry Potter. And sometimes, there's a theme of discovery, like characters discovering new aspects of the magical world through their familiars.
One common theme is mystery. Since the Grim is often associated with death in the original Harry Potter series, when it's a familiar, it adds an air of mystery. Another theme is loyalty. The familiar - Grim relationship with Harry usually involves a deep sense of loyalty, much like how Harry's friends are loyal to him.
Well, magic exploration is a big one. Since pixies have their own kind of magic, fanfictions often show the wizard learning from the pixie about different types of magic. Also, loyalty. The pixie is usually depicted as being very loyal to its wizard. For example, in some stories, the pixie will go to great lengths to protect the wizard from danger. It's also common to see themes related to the discovery of hidden powers, either in the pixie or in the wizard as a result of their connection.
Cerberus in fanfiction is usually depicted as a creature that is both terrifying and somewhat misunderstood. Its three heads might have different personalities. One could be more aggressive, while another might be a bit more curious. It's also often portrayed as being extremely loyal to its master or to the task it has been given, like guarding the Philosopher's Stone.
One common theme is the bond between Harry and his familiar. It's often portrayed as a very strong and almost telepathic connection.
One common theme is the struggle for identity. Since the female Cerberus is a unique take on a well - known mythological figure, many fanfictions explore how she fits into the world around her. Another theme is power. Whether it's her power over others or her struggle to control her own power.
Well, Cerberus in fanfiction can be depicted in various ways. Some might focus on its more animalistic nature, showing it being wild and untamed. It could be a symbol of danger and mystery in the wizarding world created by the fanfic authors. For example, a fanfic might have a character try to tame Cerberus in a way that wasn't shown in the original books, adding an exciting new plotline.