In many 'Percy walks alone fanfiction', the theme of inner strength is prevalent. Being alone, Percy has to rely on himself. He discovers hidden reservoirs of strength within him. Additionally, there can be a theme of mystery. The places he visits while walking alone are often full of mystery, and he has to figure things out on his own, which adds an element of intrigue to the story.
One popular 'Percy walks alone fanfiction' might be 'Percy's Solitary Journey'. It explores Percy's character in depth as he embarks on a lone adventure, facing challenges and self - discovery.
He might encounter new demigods who are also on the run or hiding from the traditional demigod society. These could be demigods with different powers or backgrounds that Percy has never seen before.
Percy might be a bit flustered and embarrassed. He's protective of his relationship with Annabeth, so having Magnus walk in might make him feel like their privacy has been invaded. He could quickly try to shield Annabeth or just look really shocked.
In a 'Percy Jackson Walks Away' fanfiction, he could be walking away due to a falling - out with his friends. Maybe there was a misunderstanding about a quest, and he feels betrayed. He leaves to prove himself on his own terms, without relying on his usual group of allies.
One common theme is self - discovery. When Percy is alone, he has to look inward and figure out who he really is without the influence of his friends. Another theme could be survival. He has to fend for himself and use his skills to stay alive in various situations.
In this fanfiction, Percy living alone could mean a whole new set of adventures. Maybe he's chosen to isolate himself after all the chaos in the demigod world. He could be exploring his powers in solitude, away from the distractions of Camp Half - Blood. It also might lead to some self - discovery as he doesn't have to rely on his friends all the time.