His character could be developed as more conflicted from the start. Instead of fully embracing the dark side, he could be constantly battling his inner demons. This would make his actions during the Triwizard Tournament more complex as he's not just a puppet of Voldemort but someone struggling with his own choices.
The relationship could start with hostility. Harry, knowing all the bad things Crouch Jr. has done, is full of hatred. But as the story progresses, he could learn about Crouch Jr.'s tragic backstory, which might make him more empathetic.
Well, there's a fanfiction called 'Barty Crouch Jr: A Different Path'. In this one, the author imagines what would have happened if Barty Crouch Jr had not followed Voldemort. It gives a whole new perspective on his character. Also, 'The True Nature of Barty Crouch Jr' is really interesting as it tries to uncover the real motives behind his actions in the original story.
Harry could become more withdrawn and guilt - ridden. Stabbing someone is a serious act, and even if it was Barty Crouch Jr, it would weigh heavily on Harry. He might start to question his own judgment and wonder if there was another way he could have handled the situation.
One common theme is redemption. Since his actions in the original story were quite dark, many fanfictions explore whether he could be redeemed. Writers often show his inner conflict between his loyalty to Voldemort and his own sense of right and wrong.
One of the things that makes 'Harry Potter Barty Crouch Jr' fanfiction so interesting is the chance to explore his relationships. For example, his relationship with his father, Barty Crouch Sr. Fanfictions can dig deeper into the family dynamic and how it influenced his actions. Also, his time at Hogwarts and the relationships he could have had with other students are ripe for exploration.
It could start with the act of saving. Harry is in a life - threatening situation, and Barty Crouch Jr steps in. This heroic act makes Harry see Barty in a new way. Then, they might start to interact more, and as they do, they discover they have things in common. Maybe they both have a love for a certain type of magic or a particular place in the wizarding world. These shared interests could spark romantic feelings between them.
One common theme is his inner conflict. Fanfics often explore how he was torn between his loyalty to Voldemort and his own sense of self. For example, in some stories, he might question the extreme measures Voldemort asks him to take.
One common theme is redemption. Since Barty Crouch Jr was a Death Eater with a lot of wrongdoings, many fanfics explore the idea of him finding redemption through his connection with Harry Potter. Harry is often seen as a symbol of hope and goodness, so it makes sense that he could be the catalyst for Barty's change.
One interesting fanfiction could be one where Barty Crouch Jr is forced to team up with Harry Potter against Tom Riddle's resurging threat. Maybe in a scenario where Voldemort (Tom Riddle) has found a new way to gain power and Barty Crouch Jr, who has a complex history with the Death Eaters, has to side with Harry to save the wizarding world.
One great fanfiction could be 'The Redemption of Barty Crouch Jr'. It explores his character in a more in - depth way, showing his internal struggles and how things could have been different for him. It gives a new perspective on his actions in the original story.