If Harry Potter stops holding back in fanfiction, he could become an even more powerful and assertive character. He might use his magic more freely and without hesitation, taking on greater challenges and enemies. This could lead to some really exciting and action - packed storylines, with Harry showing off his full potential.
There's not enough information to determine exactly who Harry is. He could be a regular fanfic writer who uses the name Harry, or it could be a character within a particular fanfic universe who has this change in behavior regarding fanfic.
Well, if we consider 'Harry' as a regular person, it might be that he has been a fan of a certain series or work and has always wanted to write fanfic but was too shy or had some self - imposed limitations. 'Stops holding back' indicates he's overcome those barriers. For example, he could have been worried about what others would think of his interpretations in the fanfic, but now he doesn't care anymore.
The concept of 'Harry Potter stops Dumbledore' might also be related to character development. Harry has always respected Dumbledore, but as he matures, he may start to question Dumbledore's actions. By stopping Dumbledore, he is asserting his own beliefs and values. It could be in a situation where Dumbledore's actions were endangering the school or their friends. Harry, having a different perspective from his own experiences, decides to intervene to protect what he holds dear.
When Ichigo stops holding back in fanfiction, it could lead to a major shift in the plot. His friends might see a side of him they've never seen before. He may start to take more risks and be more aggressive in battles, which could either save the day more quickly or get him into unforeseen trouble.
If Izuku stops holding back in fanfiction, he might achieve his goals much more quickly. He could show his true power and skills without restraint. For example, in battle scenarios, he could defeat his opponents with ease and surprise everyone around him.
Loki is a powerful Asgardian with abilities that are more in the realm of the supernatural in a different way than Harry's magic. But Harry has a strong will and has faced some extremely tough opponents. In a fanfiction, if the writer decides to give Harry access to some of the most powerful and ancient magic in the wizarding world, he could be more powerful. For example, if he could use the magic that created the Hogwarts itself, he might be able to stop Loki quite effectively. Also, Harry has the support of his friends and the entire wizarding community behind him, which could give him an edge in power.
Well, perhaps Harry could use his magic skills like the Patronus charm to hold Loki at bay. Since Harry has experience dealing with dark forces, he might be able to outwit Loki's trickery.