Living with Flam3ls could make Harry more empathetic. Since Flam3ls is likely a very different being, Harry has to understand its needs and feelings. This might change how he interacts with other creatures and people too. He might also become more protective, as he has the responsibility of taking care of Flam3ls. His daily routine would be different, with tasks related to Flam3ls' care added to his normal wizarding activities like studying spells and potions.
His life could become more exciting as Flam3ls might introduce him to new magical experiences.
Well, it could be a story where Harry discovers a new magical creature called Flam3ls and they form an unlikely bond. Maybe Flam3ls has some special power that helps Harry in his adventures.
His life changes a great deal. He's in a whole new environment filled with gods and goddesses. He no longer has to worry about hiding his demigod status as much. He has access to a lot more resources, like the magical items that the gods possess.
If Annabeth were to visit him in the sea in the fanfiction, their relationship could be tested. She's used to the land and might not understand Percy's new life fully. Percy, on the other hand, might feel a new sense of freedom in the sea that Annabeth can't relate to. However, they could also find a new level of respect for each other as they learn about their different worlds.
His relationships with his friends from Camp Half - Blood might become strained as he's away from them for long periods. They could worry about him and feel left out of his new adventures.
Well, if Harry's parents were alive in the fanfiction, his life would be drastically different. He would grow up in a loving family environment, not having to endure the abuse from the Dursleys. He'd likely be more confident and less haunted by the past. His parents could teach him magic from a young age, and he might not have the same drive to prove himself as he does in the original story.
His life becomes a lot more complicated. He has to constantly hide his powers from those who might fear or misuse them. For instance, the government or some evil organizations might try to capture him.
It might make him more aware of his family's past and connections. If the letter reveals something about his family's wealth or status, it could change how others view him.
His life changes significantly. Firstly, he no longer has to hide the abuse. He can be more open about his feelings and experiences. This could lead to him getting the help he needs, like emotional support from his friends.
The phoenix could give Harry a sense of purpose. Knowing he has such a powerful and magical creature by his side, he might feel more confident. For instance, he could be more daring in his adventures and face his enemies without as much fear.
Naruto might become more introspective. Usually so outgoing, jail could force him to look inward. He may become quieter as he contemplates his situation and how he got there.