A fanfiction might explore the backstory of Bellatrix's use of the Cruciatus Curse. Perhaps she was first introduced to it as a young witch at Hogwarts by some dark wizarding group. She practiced it on small animals, which led to her getting in trouble. But this early experience with the curse made her more interested in the Dark Arts, and she continued to perfect her use of Crucio as she grew older and became a Death Eater.
Show the physical and mental toll it takes on the victim. For example, describe how the victim's body contorts painfully and their mind is filled with unbearable agony. Maybe the victim has nightmares about the curse long after it has been used on them.
In a fanfiction, the plot could revolve around Bellatrix misusing the Cruciatus Curse and getting in trouble with Voldemort. She uses it on one of Voldemort's favored servants by mistake. Voldemort then has to decide whether to punish Bellatrix severely or let her off with a warning, while Bellatrix tries to plead her case and shift the blame onto others.
One idea could be a story where a young Death Eater in training is forced to use the Cruciatus Curse on an innocent by his family, but he has a change of heart. He then has to deal with the consequences of defying his family's wishes and trying to protect the victim from further harm.
It could also be shown through Hermione's facial expressions. The animator might focus on her eyes, showing the extreme pain and fear. And the background could be darkened or have some sort of chaotic elements to enhance the mood.
One possibility is that in the fanfiction, the use of the Cruciatus Curse on Hermione could be a central plot point for her character development. Maybe she endures it and it makes her stronger, more determined to fight against dark forces.
In fanfiction, the Imperius Curse can be used to create really exciting plotlines. For instance, a character could be put under the curse and made to do something that goes against their nature. This could lead to a moral dilemma for the other characters. Do they blame the person who was cursed or the one who cast the curse? It's a great way to explore themes of responsibility and free will.
There might be. Fanfiction writers sometimes like to take characters out of their comfort zones and explore darker or more extreme scenarios. But in the official 'Harry Potter' lore, Harry would never casually use the Killing Curse. It's a very serious and immoral spell in the wizarding world.
Well, it depends on the nature of the curse mark. If it's a dark magic - related curse mark, it might attract dark creatures towards Harry. This would put him in constant danger. He would have to be extra vigilant all the time. Maybe he would start to study more about curse marks on his own to find a way to get rid of it, which could lead him to some hidden secrets in the wizarding world that are related to curse marks.
One interesting Imperius Curse fanfiction could be about a character who manages to break free from the curse in a unique way. For example, they might use their love for another character as a sort of shield against the curse's control. In many fanfictions, the Imperius Curse is explored in different scenarios than in the original books. It could be set in a time after the main events of the series, where a new dark wizard tries to use the curse on the heroes again.