Well, a cool plot might be that in the 'spin the bottle' scenario, it lands on two characters who don't get along, like Clarisse and Nico. They then have to go on a mini - quest together as a result of the spin. Or perhaps the bottle lands on a character and Chiron, and Chiron has to tell a long - lost story from his past. It could also be that the spin leads to a character having to swap powers with another for a day, which would create all sorts of chaos and fun at Camp Half - Blood.
One idea could be that during a game of spin the bottle at Camp Half - Blood, the bottle lands on Percy and Annabeth, and they have to share a secret they've been hiding from each other. Another could be that a new camper is introduced during the game, and the spin of the bottle leads to an unexpected alliance or friendship. Maybe the bottle lands on a character and a monster, leading to a comical or tense encounter where they have to work together to get out of a tricky situation.
One idea could be that the spin of the bottle leads to unexpected pairings for truth or dare challenges. For example, characters who usually don't interact much end up having to share a deep secret or do a daring task together.
Obviously, Percy himself would be a great character to feature. His charm and heroic nature would add a lot to the story. Annabeth is also a key character, especially if there are relationship - based spins in the bottle. Grover could be there too, providing some comical relief during the game. Another character could be Nico di Angelo. His mysterious nature would make for some interesting interactions during the spin the bottle scenarios.
One interesting plot could be that when they spin the bottle, it lands on two Avengers who have to team up for a special mission in a really strange and unexpected way. For example, Hulk and Black Widow might end up together and have to use their very different skills to infiltrate a high - tech enemy base.
One plot idea could be Percy having to team up with Hera to rescue a group of demigods who have been captured by an ancient monster. Hera, despite her usual aloofness, realizes she needs Percy's unique skills.
Well, perhaps in the fanfic, the spin the bottle game is used as a way to choose partners for a training exercise. Naruto spins the bottle and it lands on Sakura. They then have to train together, but they have different training styles. Naruto is more impulsive and Sakura is more methodical. This creates a lot of friction at first, but eventually they learn from each other and become better shinobi.
One idea could be Percy and his friends getting trapped in a virtual game world that's a twisted version of their own. They have to use their demigod skills to defeat the digital monsters and find a way out.
Maybe Percy is sent on a quest to Atlantis because there are rumors of a traitor among the Atlanteans who plans to side with the Titans. Percy has to navigate the complex political situation in Atlantis and figure out who the traitor is before it's too late. He also has to deal with the Atlantean magic which is different from what he's used to.
One idea could be that Percy discovers a hidden realm within the world of the Wanderer. This realm has its own set of rules and challenges that he has to navigate. Maybe he meets new demigods there who have been lost for centuries.
One idea could be Percy having to make a deal with a minor underworld god to save Annabeth from a new and strange curse that's slowly draining her life force. He has to complete a series of tasks in the underworld that test his loyalty and courage more than ever before.
Well, perhaps the shield was once owned by a powerful demigod from the past. In the fanfiction, Percy starts having strange dreams about this demigod and the shield's true origin. As he investigates, he realizes that the shield holds the key to defeating a new, emerging evil that threatens not just Camp Half - Blood, but the entire world of gods and mortals. So, he has to figure out how to unlock the shield's full potential.