What could be the plot of a 'harry potter is gaster fanfiction'?

One possible plot could be that G W Gaster somehow gets transported into the Harry Potter universe. He could bring with him some unique form of magic or knowledge that disrupts the normal order in Hogwarts. Harry and his friends would then have to figure out who this strange new character is and what his presence means for their world.

Well, perhaps Gaster has lost his memory and believes he is a wizard in the Harry Potter world. He could start to regain his memories slowly as he experiences different magical events. For example, when he encounters the Forbidden Forest, it could trigger some memories related to his own world. And the characters in Harry Potter would be both intrigued and cautious about this strange new 'wizard' who seems to have such different ways of using magic.

In this fanfiction, Harry Potter might be transported to an alternate dimension where the rules of magic are different. There, he meets beings who teach him about Gaster Blasters and how to use them. He then brings this new knowledge and power back to his own world. When facing Voldemort, instead of using traditional spells like Expelliarmus or the Killing Curse, he uses the Gaster Blasters, which are far more powerful and devastating. This could lead to a whole new take on the Harry Potter series' final battle.

One possible plot could be that Gaster somehow gets transported to the wizarding world of Harry Potter. He might initially be confused but then start to study the magic there. Maybe he tries to combine his own knowledge with magic, leading to some unique spells or potions. Harry and his friends could be both intrigued and cautious of this strange new character.

One possible plot could be that there is a rift in the multiverse which causes Danny Phantom to cross paths with Gaster. Gaster's knowledge of the multiverse and Danny's ability to traverse different dimensions in his ghost form could be combined. They start to explore the reasons behind this rift and discover that an evil entity is trying to merge different realities for its own malicious purposes. Danny and Gaster then have to use their unique skills to stop this entity and close the rift to restore the balance of their respective universes.

Well, it could be about Gaster suddenly reappearing in the lives of Sans and Papyrus. Maybe he has some important knowledge or a mission for them. For example, he might need their help to fix something in the Underground that's going wrong.

I'm not sure if it's a very popular concept. Harry Potter and Gaster are from two very different fictional universes. Gaster is from Undertale while Harry Potter has its own extensive world. It might be a very niche or experimental idea within the fanfiction realm.

The plot could involve a situation where a new form of dark magic is unleashed in the wizarding world, which spreads like wildfire and causes destruction similar to 911. The Ministry of Magic is caught off - guard. Hermione, with her vast knowledge, starts researching a way to counter this magic. Meanwhile, Ron and Harry lead the effort to protect the civilians. They set up shelters in places like the Room of Requirement and use Patronuses to guide people to safety. As they dig deeper, they discover that this dark magic was a planned attack by a long - hidden dark wizard group who wants to take over the wizarding world.

If Harry Potter uses Gaster Blasters in a fanfiction, it could change the very fabric of the magical society. First, the perception of what is possible in magic would change. No longer would wands and incantations be the only means of power. Second, the balance between good and evil could be severely disrupted. Harry's new power could make the fight against Voldemort much easier, but it could also lead to new threats emerging as others might seek to gain the power of the Gaster Blasters. Third, the magical creatures in the wizarding world might react differently to Harry. Some might see him as a new kind of threat, while others might see him as a potential ally in a changing world.

Well, in 'gaster adopts a human fanfiction', it might start with the human character being in a world that is unfamiliar or dangerous. Gaster, who could be seen as a mysterious and powerful figure, notices the human. He might be intrigued by the human's nature or potential. So, he decides to adopt the human, which could lead to a series of events where the human has to adapt to Gaster's environment, learn about his ways, and perhaps they go on adventures together. It could also explore the relationship between the two, like how the human grows to trust Gaster and how Gaster comes to care for the human as a sort of parental or mentor - like figure.