The number of Heroes of Olympus graphic novels can vary depending on the publisher and new releases. You might want to search on popular book platforms or ask at your local library for the latest info.
The main story likely revolves around the Greek gods of Olympus. It might include their rivalries, like the feud between Zeus and Poseidon. Their relationships with mortals could also be a big part of it, such as the tales of how they interact with heroes like Hercules.
The main characters would surely be the gods of Olympus. Zeus, the king of the gods, is likely to be a central figure. Poseidon, god of the sea, and Hades, lord of the underworld, would also be important. And of course, Athena, the goddess of wisdom.
I wouldn't recommend trying to get it for free illegally. It's not ethical and can get you in trouble. You should look for legal promotions or discounts instead.
There's a fanfiction where Piper has to rescue her friends from a magical prison. In this story, she uses her wits and charm - speak to get past various traps and guards. It's really exciting as it shows Piper's determination and cleverness.
One idea could be a fanfiction where the characters play a magical version of truth or dare at a party. Each dare could involve using their demigod powers in a fun and unexpected way.
Leo Valdez is another character who could be a star. His ability to create and manipulate fire can add a lot of excitement to party games. He could be involved in a game where he has to use his fire to light up targets or keep a magical fire - based object alive for a certain amount of time.
Percy Jackson himself is always a popular choice. His adventures in the original series have made him a beloved character, and fans love to explore new scenarios for him, like what if he had different powers or faced different challenges.
A plot where the demigods have to team up with their mortal enemies, like some of the monsters, in order to face a greater threat that endangers both their worlds. This could lead to some really interesting character dynamics and moral dilemmas.