A good one should have an engaging plot. For example, it could be about how Harry's discovery of the Phoenix affects his magical abilities. Also, the characters should be in - character. Harry should act like the Harry we know from the books. And the writing should be of good quality, with no major grammar or spelling mistakes.
In the 'Harry Potter finds a phoenix egg fanfiction', it could be that the egg has some sort of special power or mark on it. Harry could find himself in a race against time to protect the egg from dark wizards who want to use it for evil. He might also have to figure out the proper way to care for a phoenix egg, which could involve consulting old books in the library or asking Hagrid for advice.
In fanfiction, if Harry Potter finds a baby phoenix, it could be a very magical encounter. The baby phoenix might be in need of protection. Harry, being the hero he is, would likely take it under his wing. He could use his knowledge of magical creatures from Hogwarts to care for it. Maybe the phoenix would grow up to be a powerful ally for Harry in his future adventures.
Hagrid would be a likely helper. He has a great knowledge of magical creatures and would surely know a lot about phoenix eggs. He could give Harry advice on how to take care of it.
In this kind of fanfiction scenario, Snape might initially be conflicted. On one hand, he has his long - standing dislike for James Potter, Harry's father. But on the other, his sense of duty as a Hogwarts professor could kick in. He might reluctantly start to heal Harry, all the while muttering under his breath about how much trouble Harry always seems to get into, just like his father. Then, as he heals Harry, he might start to see some of Lily, Harry's mother, in him and soften a bit.
There could be. Fanfiction writers are known for their ability to combine the most unexpected elements. Samehada is a very unique element from the Naruto universe and Harry Potter has its own rich world. Some writers might have been inspired to create a story where Harry Potter somehow finds Samehada. You could start your search by using very specific search terms on fanfiction search engines. If it exists, this kind of fanfiction would likely be in the crossover section of the relevant platforms.
In the 'harry finds a baby fanfiction', there are numerous possibilities. It could be set in a world where Harry is a grown - up and he stumbles upon a baby that is crucial to the future of his world. The story might revolve around how he deals with this newfound situation. He could enlist the help of his friends to take care of the baby. There could also be a mystery surrounding the baby's origin that Harry is determined to solve, which could lead to all sorts of adventures and revelations.
Another great one is 'When Draco Saw Harry Cry'. This fanfiction focuses on the moment of discovery and how it changes the dynamic between them. It has some really heart - wrenching moments as Harry is dealing with his own issues and Draco has to decide how to respond.
I'm not sure specifically as I haven't read this particular fanfiction. But generally, it could be about Harry coming across a fan - made story related to omnics, perhaps he discovers it in an old library or on a digital platform, and then his adventure in reading and getting involved with the story within the fanfiction.
One popular one is 'A Different Destiny' where Severus finding baby Harry sets off a chain of events that deviate from the original story's path. It has great character development.