Well, perhaps Harry becomes a phoenix due to a powerful spell gone wrong or right. Once he is a phoenix, he may find himself drawn to places of great magic. He could also use his phoenix form to protect his friends. For example, when they are in danger, he can swoop in and carry them to safety with his large wings and great speed. Also, his tears as a phoenix could have extraordinary healing powers that could save those who are seriously injured in the wizarding battles.
In the fanfiction, it could be that Harry's transformation into a phoenix is related to some ancient magic. As a phoenix, he could be able to communicate with other magical creatures in a way he couldn't before. And his presence as a phoenix could have a significant impact on the wizarding world, perhaps bringing a new era of peace or change.
One possible plot could be that the kiss is from a magical being associated with phoenixes. Maybe it transfers some of the phoenix's essence to Harry, making him have an instant connection and admiration for phoenixes. He could then start to discover new magical abilities related to phoenixes, like the power of rebirth in a metaphorical sense, or being able to communicate with them on a deeper level.
After becoming a phoenix, Harry might gain the ability to see things from a different perspective. He could use this to understand the motives behind his betrayal. It could lead to a journey of self - discovery where he not only comes to terms with what happened but also uses his phoenix form to heal the broken relationships in the wizarding world, bringing about a new era of unity.
Well, if Harry Potter becomes a Phoenix Animagus in fanfiction, he would gain some really cool abilities. For example, he could regenerate from ashes like a phoenix. He might also have the power of flight, which would be a huge advantage in battles or just for getting around quickly. His connection to magic could become even stronger as the phoenix is a very magical creature. And he could use his new form to spy on the Death Eaters without being detected easily.
Maybe a dark wizard who wants to capture the phoenix - Harry for his own evil purposes. This wizard could be after the unique powers that a human - turned - phoenix like Harry would possess. He might want to use Harry's phoenix form to gain immortality or to spread dark magic across the wizarding world.
The story could start with Harry having a near - death experience where a Dementor's kiss was almost upon him. Instead of being terrified, he becomes oddly fascinated. He begins to research their origin, their connection to Azkaban, and their role in the wizarding world. As he does this, he discovers some ancient magic related to Dementors that no one else knew. This knowledge could either lead him down a dark path or help him to change the way Dementors are perceived in the wizarding community.
Well, it could be that there's a spell gone wrong that turns Harry into a werewolf. As a result, he is shunned by some in the wizarding world, but he also finds a community of outcasts, including other werewolves. Together, they work towards changing the perception of werewolves in the wizarding society and Harry also has to figure out how to control his new form.
Well, it could be that Harry discovers some ancient magic that transforms him into a god - like figure. He might gain powers like super strength, the ability to control the elements, and the power to see into the future. Maybe he uses these powers to protect the wizarding world from a new, even greater threat than Voldemort.
Maybe in the fanfiction, Harry becomes a prefect and it makes the Slytherins jealous. They start to plot against him, trying to get him removed from the prefect position. Harry then has to use his wits and newfound authority to deal with their schemes. He might also use this opportunity to improve relations between Gryffindor and other houses. He could start inter - house study groups which are initially met with resistance but eventually become a great success.
The plot of 'harry becomes a healer fanfiction' could be really interesting. Maybe Harry gets tired of all the fighting and danger after the big battles. He realizes that he wants to help people in a more positive and long - lasting way. So, he chooses to be a healer. He has to study hard, learning about all kinds of potions and spells for healing. He also has to deal with the politics within the medical field in the wizarding world. Some old - fashioned healers might not like Harry's new and innovative ideas at first, but he gradually wins them over with his skills and determination.
Well, perhaps Harry discovers some long - lost diaries or artifacts of the Marauders. This leads him to idolize them and want to follow in their footsteps. He might start using their prank tactics against his enemies at Hogwarts.