A possible plot twist might be that the force behind the marriage is actually an ancient evil that wants to use their union to gain power. Artemis and Percy then have to team up to not only deal with the unwanted marriage but also defeat this evil. It could also be that Artemis has a way to break the forced marriage bond, but in doing so, she would lose her immortality, which adds a huge moral dilemma to the story.
One possible plot twist could be that the gods interfere to stop the marriage at the last minute. They might realize that such a union goes against the natural order. Another could be that Percy discovers a way to break the forced bond by finding a magical artifact. Or perhaps Artemis herself finds a loophole in the situation that allows her to avoid the marriage without causing chaos among the gods.
Well, one possibility could be that some powerful entity forces Percy into this marriage for political reasons. Maybe there's a power struggle in the mythological world and this union is seen as a way to bring stability. For example, Artemis might be against it initially because of her vow of maidenhood, but then she and Percy find a way to work together against the forced situation.
The Olympian council itself could be the antagonist if they are the ones forcing the marriage for their own political gain. They might not care about Artemis' wishes or Percy's attempts to stop it, and they use their power and influence to push the marriage forward.
Artemis would be in shock initially. Given her status as a powerful and independent goddess, the idea of being forced into marriage is unthinkable. She would likely try to use her divine powers to break free from the situation. If she can't do it immediately, she might start to negotiate. She could offer other things in exchange for her freedom from this marriage. And if Percy shows any sign of taking advantage of the situation, she would not hesitate to put him in his place.
A group of dark forces or minor gods could be the antagonists. They might believe that the union of Percy and Artemis would disrupt the balance in a way that benefits them. So, they engineer the situation where Percy is forced to marry Artemis, hoping to use the resulting chaos to their advantage. They would likely try to keep Percy and Artemis from finding a way out of the forced marriage.
Well, one plot twist could be that Hiccup discovers a long - lost family secret that changes the whole reason for the forced marriage. Maybe his family has a hidden alliance with Astrid's family that he was unaware of. Another could be that Astrid herself is against the forced marriage at first but then realizes she has real feelings for Hiccup during the process of getting to know him better. Or perhaps there's an outside force, like a villain, who is trying to use the forced marriage to their advantage but Hiccup and Astrid end up joining forces against them.
Another aspect could be an unexpected bond forming between Hermione and the Death Eater. As they are forced to spend time together, they might start to understand each other on a deeper level. This could lead to a moral dilemma for the Death Eater, especially if he starts to develop feelings for Hermione. He would then have to choose between his loyalty to the Death Eaters and his new - found connection with her.
Well, one possible plot could be that some powerful outside force, like an ancient god or a magical entity, forces Annabeth to marry Percy for some grand scheme. Maybe it's to unite two powerful bloodlines or to fulfill an old prophecy. And they initially resist but as they face the situation together, they start to discover new feelings for each other.
One possible storyline could be Percy trying to find a way to break the forced marriage. He might seek the help of the gods who are sympathetic to Artemis' situation. Another could be Artemis using her wits and powers to resist the marriage while Percy supports her from the sidelines. Maybe there's a prophecy involved that the marriage is a part of but they find a loophole.
Well, it could lead to a whole lot of drama. Percy might resist at first, causing conflict within the fanfiction world. Maybe he has feelings for someone else, and this forced marriage would create a love triangle situation.