Well, it could be really interesting. He might be confused at first, seeing the different world of Fate Stay Night with its own set of rules about magic, heroes and the Holy Grail War. Maybe he'd compare the magic in his world to what he reads in the fanfiction. He could also get some new ideas about friendship and loyalty from the characters in the fanfiction.
The settings are different. Harry Potter is set in a wizarding world with places like Hogwarts, Diagon Alley, and the Forbidden Forest. Fate Stay Night is set in a modern - day Japanese city with a hidden world of the Holy Grail War. Also, the characters are distinct. Harry Potter has characters like Harry, a young wizard, and Dumbledore, a wise old wizard. Fate Stay Night has characters like Shirou, a normal high - school student turned Master, and Saber, a powerful Servant.
No. Harry Potter is a completely separate and original fictional universe created by J.K. Rowling, while Fate Stay Night is another distinct work. They have their own unique storylines, characters, and settings, and there is no such relation of Harry Potter being a fanfiction of Archer Fate Stay Night.
Harry Potter's view on heroism might shift. In Fate Stay Night, the heroes have different backstories and goals. After reading the fanfiction, Harry could start to think about how his own heroism is defined not just by his fight against Voldemort but also by his relationships and the choices he makes in general. He might also see that heroes can come from different places and times, not just the wizarding world he knows.
One great 'Fate Stay Night Merlin Fanfiction' is 'Merlin's True Role'. It delves into Merlin's backstory and how his magic could have influenced the events of the Holy Grail War in ways not shown in the original. It has a really interesting take on his relationship with the other servants as well.
One common theme is the exploration of different magical systems. Since both Harry Potter and Fate Stay Night have their own complex magic, fanfictions often explore how these magics interact or compare. For example, how the spells in Harry Potter would fare against the magecraft in Fate Stay Night.
If Harry Potter were to watch Fate Stay Night fanfiction, he might start thinking about how different the rules of magic are. In his world, magic is more about spells and potions, while in Fate Stay Night there's a whole other level of magic with summoning Servants and the power struggles for the Grail. He could also get some new ideas about heroism and sacrifice from the characters in the fanfiction.
One interesting crossover could be the magic systems interacting. In 'Harry Potter', magic is more about spells and potions, while in 'Fate Stay Night' it's more based on Servants and their abilities. A crossover might show how a Hogwarts student could summon a Servant, perhaps using a modified summoning charm.
One interesting crossover could be the characters from Fate Stay Night finding themselves in the wizarding world of Harry Potter. For example, Saber could be mistaken for a powerful magical being. Maybe she'd be intrigued by the use of wands instead of her own magic swords. Another idea is that the mages in Fate Stay Night could learn new spells from the Hogwarts professors. It would be a clash of two very different magical systems that could lead to some really cool and unexpected storylines.