The plot could involve the hellhound helping Dean in battles. It could use its strength and speed to take on enemies. For instance, when facing a group of demons, the hellhound could be the first to attack and give Dean an advantage.
In such a fanfiction, the hellhound could have unique abilities. For example, it could be able to track demons more effectively than normal means. Dean would have to deal with the reactions of others, like Sam who might be initially wary of the hellhound. The story could also involve training the hellhound and the bond that forms between them over time.
One possible scenario in a Harry Potter pet hellhound fanfiction could be that a student secretly adopts a hellhound puppy. They manage to keep it hidden in the Room of Requirement. The hellhound grows up with a special bond to the student, and it eventually helps them during a dangerous encounter in the Forbidden Forest, using its fierce loyalty and powerful abilities.
Perhaps the hellhound has a special power like being able to travel through fire unharmed. This power could play a crucial role in the story. For example, the main character and their friends get trapped in a burning building, and the hellhound uses its power to create a path through the fire, allowing them to escape. The fanfiction could then focus on how they keep this power a secret from the school authorities.
Well, they might go on adventures like exploring the Forbidden Forest together. The hellhound could use its keen senses to find hidden paths or magical creatures. Harry could rely on the hellhound's strength and loyalty during dangerous situations, such as when facing dark wizards or magical beasts that lurk in the forest.
It could be that the hellhound was a gift from a mysterious wizard. This wizard recognized Harry's need for a powerful and loyal companion, so he gave him the hellhound. The hellhound might have some special powers or abilities that the wizard thought would be useful to Harry in his future adventures.
Yes, there might be. There are numerous fanfiction platforms out there where such a concept could exist. However, you may need to search through popular fanfiction sites like Fanfiction.net or Archive of Our Own to find it specifically.
In a fanfiction, the hellhound could be a protector of Percy instead of an enemy. It could be that the hellhound was once a pet of a powerful god who turned evil, and Percy helps it break free from the evil influence. So the hellhound then becomes loyal to Percy and helps him in his quests, like warning him of approaching monsters or even fighting alongside him against stronger foes.
There probably is. The Supernatural fandom is quite large and creative. Some fans might have come up with the idea of Dean having a tail for various reasons, perhaps as part of a magical or cursed storyline. It's worth exploring the major fanfiction hubs to find it.
There's also a fanfic where a hellhound becomes a protector of Percy's sister. In this 'Percy Jackson Hellhound Fanfiction', the hellhound's loyalty and the way it interacts with the characters in the Percy Jackson universe are really interesting. It shows a different side of these usually menacing beasts.