What could be the plot of a 'Percy Jackson King under the Mountain' fanfiction?

Maybe it's a corrupted dwarf. This dwarf once served the 'King under the Mountain' but has been swayed by dark magic. He wants to take over the kingdom and is willing to do anything to achieve his goal. He would be a dangerous foe as he knows all the secrets of the mountain and has some dwarven magic at his disposal.

One possible plot is that Percy meets an old mythical creature under the moonlight. This creature could be a lunar - themed deity or a rare monster that only appears on moonlit nights. They might engage in a conversation that reveals some long - forgotten secrets about Percy's family or his destiny. The moonlight serves as a backdrop for this mysterious meeting.

One possible plot could be Percy Jackson having to navigate the complex politics of Rome as the King. He might face challenges from rival factions within the Roman demigod community who don't want an outsider like him in power. He could also be tasked with protecting Rome from new and powerful monsters that are specifically targeting the city because of his rule.

One possible plot could be Percy Jackson having to face new challenges after becoming the King of the Titans. Maybe he has to deal with the other gods who are jealous or afraid of his new power. He might also try to reform the Titan realm, making it less about domination and more about harmony.

Well, one possible plot could be Percy using his water - controlling abilities in the world of Alagaesia. Maybe he teams up with the local heroes there and they face some common enemy. For example, a powerful dragon that is threatening both the demigods' world and Alagaesia. He could also introduce new combat styles to the people of Alagaesia based on his training at Camp Half - Blood.

The plot might involve Percy's journey to becoming the king of the void. He could start by accidentally stumbling into the void. There, he discovers that there's a power struggle going on. With his friends' help, or maybe on his own, he has to prove himself worthy of being the king. He might have to face challenges like taming wild and otherworldly beasts, or solving ancient riddles that are the key to ruling the void.

One possible plot could be Percy discovers he has a special connection to the Hellhounds. Maybe he is able to communicate with them in a way no one else can. He then has to use this ability to solve a mystery in the demigod world. For example, some important items have been stolen and the Hellhounds know where they are, but they will only tell Percy.

Well, it could be about Percy using his demigod powers in the unique Alaskan setting. Maybe he has to deal with local mythological creatures that are specific to Alaska and assert his rule as the 'King of Alaska'. He might form alliances with native Alaskan demigods or spirits.

Well, it could be about Percy discovering he has the power to control wolves. Maybe he stumbles upon a hidden pack in the woods near Camp Half - Blood. The pack is in trouble, being hunted by some dark force. Percy decides to use his new - found ability to become their king and lead them to safety.

In fanfiction, Percy could discover some ancient and powerful magic that allows him to create a massive explosion. He might find a magical artifact near the mountain that, when activated, triggers an explosion powerful enough to blow up the whole mountain.