The person who killed Barty Crouch in fanfiction is highly unpredictable. It could be a dark wizard who emerges from the shadows or a close ally with a hidden agenda.
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.
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.
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 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.
Well, one interesting plot might be a time - travel fanfiction. Barty Crouch Jr goes back in time to prevent himself from ever getting involved with Voldemort. This could lead to a whole different series of events in the Harry Potter universe. Maybe he ends up becoming a key figure in fighting against the Dark Arts in a more positive way. He could also have an adventure where he teams up with other characters who were previously his enemies in the original timeline, like the Aurors, to take down some new dark threat.
In a more complex plot, Barty Crouch Jr might be in the middle of a spell that could harm a lot of people. Harry, seeing no other way to stop him, stabs him. But this action might have unforeseen magical consequences, like a dark energy being released that starts to corrupt the Hogwarts grounds. Harry would then have to find a way to reverse the damage while also dealing with the fact that he has killed someone.
It varies a lot. Some fanfics might focus on the intense magical battles and strategic planning involved. Others might explore the emotional turmoil and moral implications for Harry.
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.