It could be related to a prophecy. The character was fated to be immune to poison for a greater purpose, like saving the wizarding world from a poison - based dark magic plot. So, they play a crucial role in the story without the fear of being poisoned like others.
One implication is that he becomes a more formidable opponent in battles. Enemies who rely on poison - tipped weapons or poison - based jutsus would be at a disadvantage against him.
Yes, in some fanfictions, Harry Potter is made immune to the Veela's charm. It could be due to some kind of magic protection he has. Maybe Dumbledore cast a spell on him early on to protect him from all kinds of powerful magical influences, including the Veela's allure.
The fact that Harry is immune to Veela in fanfiction can also affect his relationships. He might not be as influenced by Veela characters as others, which could lead to different interactions. For instance, he could be more objective in dealing with Veela - related issues and might not fall into the common traps that others do. This could make him a more reliable ally or a more complex character in the fanfiction world.
It could be related to some kind of magic protection. In the wizarding world, there are various protective spells and enchantments. Maybe Harry has acquired or was born with a special protection that makes him immune to allure in this fanfiction.
In certain fanfictions, Naruto's immunity to poison might be a result of his training with a hermit or some ancient sage. They could have taught him special techniques or given him elixirs that made his body resistant to poison over time. For example, he might have had to endure harsh trials in a poisonous environment, and his body gradually adapted to it, leading to complete immunity.
It also means he is more reliable for his friends. Since he is immune to allure, his friends can trust that he won't be swayed into making bad decisions that could endanger them or their cause. He can be a stable and trustworthy figure in the fanfiction's world. For example, when facing a difficult situation where there are temptations to betray the group, he will firmly stand with his friends.
In certain fanfiction, Harry Potter is immune to Veela allure. This could be due to a magical protection he unknowingly has. Maybe it was a side - effect of the love magic that protected him from Voldemort as a baby. This protection extends to other forms of magical seduction, including the Veela allure, and it is often shown when Veela characters are around and others are affected but Harry remains unfazed.
He might be seen as a threat by some dark wizards. Since they can't use mind magic on him, they fear his potential to disrupt their plans. For example, Voldemort might target him more directly as he can't manipulate Harry's mind.
The term 'poison pen harry potter fanfiction' is rather ambiguous. It could refer to a number of things. It might be a fanfiction that involves a 'poison pen' in a literal sense, like a magical pen that has some sort of poisonous or harmful property. Maybe it's used to write harmful spells or incantations. On the other hand, it could be used metaphorically. For instance, it could be about a character who writes with a metaphorical 'poison pen', meaning their words are like poison, causing harm to others in the story. It could also potentially be a story where a character is wrongly accused because of a 'poison pen' letter, similar to how in the real world false accusations can be spread through written means.