Well, the fanfiction could show Harry using magic in a more instinctive way. Instead of relying on the spells he was taught at Hogwarts, he might tap into a deeper, more primal magic source. Snape could also use his potions - making skills in a more combat - oriented way. He might create potions that explode or create illusions during the fight, which is different from the mainly spell - based magic in the original books.
The fanfiction may introduce new forms of magic related to emotions. For instance, Harry could use his anger or love as a power source for his magic during the fight. Snape, being the complex character he is, might use his mixed emotions of hatred and loyalty to fuel his spells. This is quite different from the more traditional magic we see in the original books, where spells are mainly cast through wand - waving and incantations.
In the fanfiction, the magic might be more experimental. For example, Harry could use a spell he created himself during the fight with Snape, something that combines different elements of magic he has learned. Snape, on the other hand, might use some ancient and forgotten spells that were not in the original books. This would make the fight more unpredictable and exciting.
The magic in the original Harry Potter books is mainly focused on spells and potions that are taught at Hogwarts. However, in fanfiction about ritual magic, it can draw from a wider range of sources. It might incorporate ancient magic from different cultures or lost spells. For instance, a fanfic could have a ritual magic that combines Celtic and Egyptian magical elements, which is something not seen in the original books.
Well, in fanfiction, the authors have more freedom. For example, they can create new relationships between characters. In the original books, Harry was mainly focused on his fight against Voldemort, but in fanfiction, he could be involved in a romantic relationship that was not explored in the original. Also, the magic in fanfiction can be more extreme. New spells and magical artifacts can be introduced freely.
The tone can also be different. While the original Harry Potter series has a certain charm and tone that is aimed at a wide audience, including children, fanfiction can be more targeted towards older fans. It might explore darker themes or more complex relationships between characters. Also, the fanfiction may not be bound by the same level of consistency as the official series, allowing for more creative and sometimes wild interpretations.
The main difference is the relationship between Harry and Snape. In the original story, their relationship is mostly antagonistic and full of mistrust. But in the fanfiction, it's a love relationship, which is a huge departure. The fanfiction focuses on different emotions and interactions compared to the original where they are on opposite sides in many situations.
In the 'Harry King of Magic' fanfiction, Harry often has enhanced powers compared to the original series. For instance, he might be able to control all elements of magic effortlessly while in the original he had to learn and struggle with many spells.
In the original series, black magic is mostly straightforwardly bad. But in fanfiction, it can be more ambiguous. For example, a character might use black magic to save a loved one from a worse fate.
In the original Harry Potter series, Harry has normal, albeit powerful, magic for a wizard. But in 'Harry Potter Godlike Magic' fanfiction, his magic is often on a whole other level. For example, he might be able to control the elements in a way not seen in the books, like summoning a tsunami with a wave of his hand.
Canon magic in the Harry Potter series is well - defined with specific rules and limitations for each type of magic. However, soul magic in fanfiction can be more fluid. Fanfiction authors can create their own rules for soul magic. For example, they might write that a wizard can use soul magic to transfer memories from one soul to another, which is completely new compared to the canon magic.
Character development in the original was a slow process as Harry learned and grew. In the 'harry has infinite magic fanfiction', his development might be more about learning to handle his infinite magic responsibly. His relationships with other characters might also change because they may view him differently, either with awe or fear, due to his newfound power.
In the original series, Harry uses magic that is generally within the bounds of what is considered acceptable in the wizarding world. But in this fanfiction, the use of demonic magic is a huge departure. It changes the whole moral landscape of the story.