Diablo Malthael and Harry Potter Fanfic: What could be an interesting plot?

His powers related to death would likely be seen as extremely dark and dangerous at first. The students and teachers at Hogwarts would be very wary of him. They might even think he's a new kind of dark wizard or an agent of Voldemort if they don't understand his true nature.

Another plot could involve Malthael's powers being affected by the crossover. For example, in the new world, his death - dealing abilities might not work as expected or might have unforeseen consequences. He has to figure out how to control his powers again while also dealing with the new threats and allies in this foreign place. And perhaps he discovers a way to use his powers in a new and unexpected way to save this new realm from a great danger.

One idea could be that during a Quidditch match, a player gets seriously injured. Instead of using magic to heal right away, an ambulance from the Muggle world is called in by a confused bystander. The ambulance crew has to deal with the magical aspects they've never seen before while trying to transport the patient to a Muggle hospital. This could lead to a lot of comical and also tense situations as they try to figure out how to handle the situation.

One idea could be a wizard discovers Beyblades in the Muggle world and decides to bring them to Hogwarts. He then challenges his classmates to Beyblade battles instead of duels. The different houses could form their own Beyblade teams and compete in a tournament, with the winning house getting extra house points and a special magical Beyblade as a prize.

One possibility could be that Supergirl somehow ends up in the wizarding world of Harry Potter. Maybe she's chasing a powerful magical artifact that has fallen into the wrong hands in Hogwarts. She could use her superpowers to help Harry and his friends during a particularly tough battle against Voldemort, like using her heat vision to fend off Dementors or her super strength to break through some dark magic barriers.

One idea could be Harry using parkour skills to escape from the Death Eaters in the Forbidden Forest. He jumps from tree to tree, slides under fallen logs, and uses his magical abilities in combination with his newfound parkour skills to outmaneuver them.

One idea could be that Voldemort discovers the power of the Stargate and tries to use it to gain more power. He could send his Death Eaters through the Stargate to conquer other worlds and bring back resources or powerful artifacts to help him in his quest to take over the wizarding world. The Order of the Phoenix would then have to follow through the Stargate to stop him.

Well, it might be a story where the magic from Harry Potter and the dark forces of Diablo blend in a strange way. Andariel could be a new kind of threat to the wizarding world. Harry and his friends would have to learn about Diablo's lore and powers quickly. They might even find some similarities between their own magic and the powers in Diablo, like how some protective spells in Harry Potter could be related to the resistance against demonic attacks in Diablo.

In this fanfic, the plot could center around Harry's identity crisis. He's adopted by wolves, so he has this wild, untamed side, but he also has his wizarding roots. He might struggle to fit in when he finally enters the wizarding world. The wolves could have taught him a different moral code, and he has to reconcile that with the rules and values of Hogwarts. This internal conflict could drive the story forward, with him making new friends who either accept or reject his wolf - like qualities.

Perhaps in the crossover, the Prototype virus could somehow infect the magical creatures in the Harry Potter universe. This would lead to a crisis where normal spells and magic can't stop the infected creatures. Harry and his friends would have to seek help from Mercer, who understands the virus. Together, they could try to find a way to either cure the infected or contain the spread. Mercer might use his own knowledge of the virus and his powers to fight the infected creatures, while Harry uses his magic skills to protect Mercer from magical attacks.