In fanfiction, when the lost hero trio meet Percy Jackson, there could be an epic showdown at first. They might be suspicious of each other as they come from different story arcs. But then they could realize they have a common enemy and join forces. For example, they might face a new and powerful monster that neither group could defeat alone. Their combined powers and skills would make for an exciting adventure.
In fanfiction, the meeting could be shown as a moment of great significance. The scene might be set in a magical place, like a hidden grove. The lost hero trio would approach Percy with caution, not knowing what to expect. Percy, being his confident self, would greet them with a smile. They would then start to share their experiences, and the fanfiction could use a lot of descriptive language to show their emotions, like the excitement in their eyes or the nervousness in their gestures.
The main characters include Jason, Piper, and Leo. Jason has amnesia but discovers he has special powers. Piper is a daughter of Aphrodite with her own set of skills and challenges. Leo is a brilliant mechanic who can build amazing things.
He might meet some native Alaskan spirits. These spirits could be like the nature spirits he has encountered before but with their own unique Alaskan characteristics.
Percy might meet an old enemy who has somehow been resurrected or changed in the future. This enemy could be more powerful and have a new plan to take over the world or destroy the demigods. Or he could meet a group of time - traveling demigods from an even further future who are trying to fix something in Percy's future that has gone wrong.
Percy might encounter Baba Yaga. She is a well - known figure in Russian folklore. She could be an adversary, testing Percy's skills and his knowledge of the magical world. Or perhaps she could be a source of information if Percy manages to earn her respect. He could also meet the Rusalki, water nymphs from Russian mythology. Given Percy's connection to water, it would be interesting to see how he interacts with them.
Percy might run into Loki. Loki is known for his trickery. He could either befriend Percy for his own devious plans or try to deceive him. Percy, being used to dealing with tricky situations in his own world, would have to be on his guard against Loki's schemes.
In Percy Jackson fanfiction, Percy himself is often considered the greatest hero. He has all his demigod powers and his experiences from the original series which make him a natural choice. He's brave, resourceful and has a strong sense of justice.