Perhaps in the fanfiction, Percy loses his arm in a heroic sacrifice to save his friends. His friends then rally around him, helping him through the physical and emotional pain. They might search for a magical way to restore his arm, leading them on an epic adventure filled with mythical creatures and ancient spells.
One possible storyline could be Percy's journey of learning to adapt to life with one arm. He might struggle at first with simple tasks like getting dressed or holding a weapon. Another could be him facing his enemies who now see him as weakened due to the loss of his arm, but he proves them wrong with his newfound determination and creative combat techniques.
In some versions, Percy could lose his arm in a battle against a powerful new foe. Afterward, he becomes a symbol of resilience for other demigods. He starts training other disabled demigods, teaching them that physical disabilities don't define their worth or capabilities. His story inspires a new generation to face their own challenges bravely.
Well, in some 'naruto loses arm fanfiction', it might be a result of a forbidden jutsu gone wrong. Naruto might be exploring a new and dangerous form of power, and the price is his arm. This would then set off a chain of events where he has to find a way to either get his arm back or adapt. He could also face discrimination from some in the ninja community who see him as weakened, but he'd prove them wrong by his unwavering spirit.
Maybe he was protecting someone in Wave. He's always the self - sacrificing type, so he could have put himself in harm's way to save a villager or a friend.
It could be an old enemy who takes advantage of Percy's weakened state. For example, Kronos might see this as an opportunity to finally defeat Percy and take over Olympus. Since Percy has lost an arm, Kronos might think he's more vulnerable and launch a new attack.
Maybe he starts to train with one - armed techniques. He could learn from other one - armed ninjas if there are any in the fanfiction world. His friends would also play a big role. They might encourage him to keep going or help him in his training.
In the context of the fanfic, it could also impact his relationships. His friends might be overly protective, which Naruto may not like. Or, he could inspire others with his determination to keep going despite his injury. It might also change how he is perceived in the ninja world. Some may see him as weakened, while others could view him as even more of a hero for his ability to persevere.
One possible consequence could be a significant change in his fighting style. He might have to rely more on his left side and develop new jutsu techniques that can be executed with one arm. For example, he could focus on enhancing his Rasengan further to compensate for the loss of his right arm's abilities.
One possible storyline could be Naruto's struggle to adapt to his new physical state. He might have to relearn all his ninja techniques, now that he's missing an arm. For example, he'd have to find new ways to perform his signature Rasengan. Another could be his journey of self - acceptance, dealing with feelings of inadequacy compared to his former self. He could also face challenges from enemies who see his injury as a weakness and try to take advantage of it.
One possible plot could be Naruto losing his arm during a battle with a powerful new enemy. He then has to struggle with not only the physical loss but also the emotional and mental toll it takes on him as a ninja. He might have to learn new fighting techniques that don't rely on two arms.
In some fanfictions where Allen loses his arm, it could lead to a whole new set of character developments. He might become more dependent on his comrades at first. For example, Lenalee could be there to help him with daily tasks that require two hands. This could strengthen their bond. Also, it might make Allen more determined to fight against the Earl. Losing his arm could be seen as a sacrifice that fuels his hatred for the dark forces. He could start training to use his other abilities more effectively, like his Innocence in a different way that doesn't rely so much on his physical arm.
One possible aspect of Finn losing his arm in fanfiction could be how it changes his physical capabilities. He might have to adapt his fighting style, perhaps relying more on his legs or using his remaining arm in more creative ways. For example, he could learn to use his sword one - handed in a whole new way that surprises his enemies.