Well, it could be that Harry joins the army because he feels a need for a new purpose in life. The story might show him adapting to the strict military discipline. Maybe he'll be part of a special unit and be involved in some sort of mission to save the world in a different way than he did before. For example, instead of using magic directly, he might use his strategic thinking and leadership skills he's developed over time.
The fanfiction could start with Harry being disillusioned with the wizarding world after some event. So, he decides to join the army. Once there, he has to learn all the military protocols from scratch. He might get into trouble at first for his independent streak. But as time goes on, he could become an important asset to the army. His magical background might give him an edge in some situations, like detecting hidden threats that normal soldiers can't. And along the way, he'll probably have some deep character development, learning about loyalty and sacrifice in a non - magical context.
Well, one possibility could be that Hermione uses her vast knowledge to improve the army's strategies. Maybe she comes up with new spells or ways to defend against dark magic threats that the regular military tactics don't cover.
Maybe Bella has some personal growth. She could start as a timid person and the army experience makes her brave. For example, she overcomes her fear of heights during a training exercise.
Well, perhaps Percy could be disillusioned with his current situation in his normal world. He might see the chaos army as a way to break free from the constraints he's felt. He could start off as an outsider in the chaos army, having to prove himself.
Well, one possibility is that Stiles could be facing some inner turmoil at home or in his personal life, and joining the army becomes his way to find purpose and discipline. He might start as a clumsy recruit but gradually grow into a strong and reliable soldier, making new friends and facing various challenges along the way.
Well, one possibility is that Harry discovers a new sense of purpose and discipline in the military. He might face challenges like tough training, and make new friends who help him grow as a person.
Maybe Harry joins the Wizengamot to bring about some long - awaited reforms. He could use his unique experiences to fight against the old - fashioned rules and biases within the magical government.
In this fanfiction, perhaps Harry joins the Fellowship and has to adapt to their way of life. He might share his knowledge of the magical world with the members, like teaching them about potions that could heal wounds faster. And his presence could change the group dynamics, adding a new element of magic to their quests.
Well, it could be about Harry Potter finding a way to enter Tom Riddle's world in the fanfiction. Maybe he's on a mission to change Tom's path to the dark side.
In a 'harry joins voldemort fanfiction', perhaps Harry discovers a dark secret about the wizarding world that makes him think Voldemort was right all along. It could be something about the Ministry of Magic being corrupt and Voldemort's way of ruling, although extreme, is the only solution. So he joins Voldemort to 'fix' the wizarding world.
One possible plot could be that Percy, with his battle experience from the Greek world, quickly rises in the ranks of the Chaos Army. He might bring new strategies inspired by his demigod training, like using the element of water in unexpected ways during battles. His loyalty and sense of justice could also lead him to take on difficult missions for the Chaos Army, such as infiltrating enemy camps that are otherwise impenetrable.