A plot twist could be that Percy's blindness is a disguise by the gods. They made him blind to protect him from a prophecy that involves his sight. As he grows up, he discovers this truth. Also, in the world of Percy Jackson, there are many magical creatures. A plot twist could be that a certain creature, like a cyclops, takes pity on him because of his blindness and becomes an unexpected ally. This cyclops could have some unique knowledge about his blindness or a way to overcome it that no one else does.
Well, the plot could involve Percy being born in Sparta during a time of great unrest. The city - state might be facing a mysterious plague or some sort of curse. Percy, with his demigod abilities, starts to notice things that are off. He could discover that it's the work of a minor god who is jealous of Sparta's fame. Percy then has to go on a quest within the city - state to find a way to stop this god and save Sparta, all while trying to fit in with the Spartan way of life which is very different from what he's used to in modern times.
One possible plot twist could be that Percy has hidden powers related to Kronos. Since Kronos is a powerful Titan, Percy might have some latent abilities that are similar but not as malevolent. For example, he could have a unique control over time on a small scale, like being able to slow down time briefly in a battle to gain an advantage. Another plot twist could be that the gods initially mistake Percy for being as evil as Kronos due to their relation. This would lead to Percy having to prove his loyalty to the gods and his friends all over again. He would face a lot of distrust and have to overcome many challenges to show that he is not like his 'twin' in nature.
One possible plot twist could be that Percy has a different set of powers. Since Hades is the god of the underworld, Percy might have an affinity for shadow manipulation or communicating with the dead in a more in - depth way than in the original stories. For example, he could be able to summon undead warriors to fight for him.
A really wild plot twist could be that the blessing is actually a ruse by Tartarus to use Percy as a pawn in a bigger scheme against the gods. Percy, being the hero he is, would have to figure out what Tartarus is up to and find a way to turn the situation around. This would involve him having to face some really tough challenges and make some difficult decisions.
Well, a plot twist could be that Hercules' jealousy is actually a result of a spell cast on him. In the fanfiction, it could be revealed that a minor god, envious of Percy's popularity among the demigods, uses Hercules as a pawn. As Hercules tries to make Percy's life difficult, Percy discovers the truth and has to find a way to break the spell on Hercules. This could lead to an interesting journey where Percy has to delve into the darker side of the demigod world to find a solution.
One possible plot twist could be that Percy has to hide his dual parentage from the other demigods. Since Zeus and Ouranos are such powerful and controversial figures, the other demigods might see him as a threat or an abomination. Another plot twist could be that Percy discovers a hidden power within him that comes from both Zeus and Ouranos, a power that no one has ever seen before. This could lead to him being hunted by both the gods and the Titans.
One possible plot twist could be that Percy's demigod powers interact in unexpected ways with Loki's magic. Since Percy has control over water and Loki is known for his trickery, perhaps Loki uses Percy's powers to create illusions involving water, like making a dry desert seem like an ocean to deceive enemies.
One possible plot twist could be that Percy's dual - god heritage gives him unique powers. For example, he might have the ability to control both the moon and the sun to some extent. Another plot twist could be that the other demigods are initially suspicious of him due to his unorthodox parentage. They might think he's some kind of abomination or a trick by the gods. Also, there could be a prophecy related to Percy that involves uniting the powers of Artemis and Apollo in a way that no one has ever expected, like using their combined powers to defeat a new and extremely powerful monster that threatens the entire demigod world.
Well, a plot twist could be that Percy's connection to Tartarus gives him the ability to control the very essence of the underworld. This means he can manipulate the shadows and the dark magic there. But because of his Lupa heritage, he also has a strong sense of loyalty and pack mentality. So, he forms an unlikely alliance with some of the more 'civilized' monsters in the underworld who also follow a code of honor. His friends from Camp Half - Blood are initially very skeptical and even a bit scared of him, but as they learn more about his new powers and how he's trying to use them for good, they start to come around.
Well, if Percy Jackson was born in Tartarus, it would mean he has a very dark origin. He might have some in - built powers related to the place. For example, he could have an easier time dealing with the monsters there. Also, his relationship with the Olympian gods would be even more complex, as they might view him with more suspicion due to his Tartarus - born nature.