His disobedience can add a lot of drama to the plot. For example, if he disobeys a prophecy - related instruction, it can create a situation where the outcome of the story becomes very uncertain. The other characters will then have to react to his actions, and this can cause a chain reaction of events. Maybe his disobedience makes an ally turn against him, which then divides the forces that were supposed to be fighting together.
When Harry disobeys in fanfiction, it can also open up new storylines. Suppose he disobeys a family - related advice and decides to explore his family's dark past on his own. This can lead to him uncovering secrets that were previously unknown, and these secrets can then become central to the rest of the plot, leading to new alliances, new enemies, and new magical revelations.
It can create new plot twists. For example, if the snake has a hidden past or a connection to a dark force, it can lead Harry into unexpected and dangerous situations.
It can create a lot of worry among the Weasley family. They would then take care of Harry, which shows their family's warm - heartedness. This could also lead to some interesting interactions between Harry and the Weasley members, like Ginny might be more concerned and show her feelings for Harry more openly.
It can create immediate conflict. For example, if he loses his temper at a friend, it can lead to a rift between them, forcing other characters to choose sides and thus changing the group dynamics.
It can create a lot of tension. For instance, Harry might start to act independently, which could lead to unforeseen consequences. He could go off on his own missions, putting himself in more danger than if he were with the Order.
It can create a lot of tension. For example, if Harry has other friends or potential love interests, Fleur's possessiveness might lead to jealousy and arguments. This can drive a wedge between Harry and his friends or make the relationship with the other love interest more complicated.
The 'darkness' can make the plot more complex. It might introduce new challenges for the characters that they have to overcome. For example, if there are new dark spells or dark creatures in the fanfiction, the characters need to find ways to deal with them.
His passing out can also be a way to introduce new plot elements. Maybe when he's unconscious, he has strange dreams or visions that point to a new mystery or threat. This can then drive the rest of the story as the characters try to understand the meaning of these visions and prevent the potential danger.
It can create immediate conflict. If a young wizard performs magic accidentally, the Trace can bring the Ministry's attention, like in some fanfics where a minor character's small magic act sets off a chain of events because the Ministry gets involved.
The Zanpakuto could introduce an element of mystery to the plot. Where did it come from? What is its true purpose? As Fem Harry tries to uncover these secrets, she could be led on a journey that takes her to different realms or uncovers long - lost secrets about the magical world she lives in. This would keep the readers engaged as they follow her on this quest for knowledge about her Zanpakuto.
The pet might cause trouble for Harry. Imagine it has a mischievous streak and keeps getting into places it shouldn't be, like the Slytherin common room. This would lead to all sorts of awkward and dangerous situations for Harry, forcing him to come up with creative solutions to get out of trouble.