In the 'Harry Potter son of Anubis fanfic', a great plot could be that Harry's Anubis side gives him the ability to see the souls of the dead. This could lead to some really interesting scenarios. For example, he might see the ghosts at Hogwarts in a whole new light and be able to communicate with them on a deeper level. Also, it could cause problems as some of the darker spirits might try to manipulate him or use his powers for their own evil ends.
Well, in this fanfic, a possible plot is that Harry's heritage as the son of Anubis makes him a target for dark wizards who want to use his unique powers. He then has to go on a journey to find out more about his father Anubis and the Egyptian magic that runs in his blood. Along the way, he might meet some Egyptian wizards or witches who teach him things that are completely different from what he's learned at Hogwarts.
One idea could be that Harry discovers his true parentage as the son of Zeus while at Hogwarts. This could lead to him having new powers, like the ability to control lightning. He might use these powers to defend Hogwarts in a new and unexpected way during a battle.
One idea could be to explore a new mystery in the House of Anubis. Maybe a hidden chamber is discovered that has ancient artifacts and secrets related to Anubis. Another could be to have a character develop a new power or ability that is connected to the Anubis mythology. For example, they can communicate with spirits in the house that hold important information about the past.
Well, it might involve Harry having some new powers related to Anubis. Maybe he can control certain death - related magic. For example, he could have the ability to communicate with the dead in a different way than the normal wizarding world allows.
One interesting plot idea could be a crossover where Percy and the Son of Anubis have to team up to stop a common enemy that is threatening both the Greek and Egyptian mythological worlds. For example, a powerful demon that is using the chaos between the two worlds to gain strength.
Perhaps a plot where Harry son of Eris is on a quest to find out more about his mother Eris. Along the way, he teams up with some unlikely allies. They might have to go through dangerous places like ancient tombs or forgotten magical forests. His powers could be both a help and a hindrance in these situations. For instance, his ability to create chaos might open up paths that were previously blocked, but also attract unwanted attention from dark creatures.
One idea could be Harry using his Poseidon - given powers to control water in the Triwizard Tournament. For example, in the second task, instead of using gillyweed, he could manipulate the water to his advantage.
A possible plot could involve Harry being drawn to the Underworld to learn more about his mother. There, he meets various figures from Greek mythology who either help or hinder him. His Hogwarts friends might not understand what he's going through, leading to some tense relationships as he tries to balance his two very different worlds.
One idea could be that Harry discovers his true mother is Hela and has to deal with the new identity. He might face discrimination from some in the wizarding world who fear Hela's reputation. Another could be that he inherits some of Hela's powers, like the ability to control the dead in a more magical way than normal necromancy in the Harry Potter universe.
One idea could be that Harry discovers his 'son of Mars' heritage gives him unique combat abilities in the wizarding world, like super - fast reflexes and enhanced dueling skills.
Well, you could have a fanfic where Voldemort uses DND - style dark magic to open portals to other dimensions. The Order of the Phoenix has to quickly learn DND - style combat and magic rules to fight off the new threats that come through these portals. Harry could be sent on a special mission to find a DND - style mage who can teach them the counter - spells. Meanwhile, the Death Eaters are also trying to master this new form of magic for their own evil purposes. This would create a really exciting and unique story.