A theme that often shows up is the clash of different mythologies. Since Percy is from one mythological background and Achilles from another, their meeting and Percy's attempt to save him can create a lot of interesting scenarios where the two mythologies interact. It can also involve themes of destiny and how Percy is meant to be the one to save Achilles.
Time - travel is sometimes a theme in these fanfics. Maybe Percy has to travel back in time to save Achilles. This can lead to interesting plot twists as he has to navigate a different era. Also, the theme of sacrifice might be present. Percy might have to sacrifice something of his own to save Achilles, like his own safety or a valuable possession.
One common theme is the idea of heroism. Percy, being a hero himself, is on a mission to save Achilles. This often involves him facing various challenges and obstacles, showing his courage. Another theme could be friendship. As Percy tries to save Achilles, a bond might form between them, or it could be about Percy upholding a pre - existing friendship.
I'm not sure of specific 'Percy Saves Achilles' fanfiction titles off the top of my head. However, you can join relevant fan communities on platforms like Reddit or Tumblr. Fans in these communities often share and recommend great fanfics. They might be able to point you to some really good 'Percy Saves Achilles' stories.
In 'Percy son of Achilles fanfic', the theme of legacy is quite prominent. Percy has to carry the legacy of Achilles, which can be both a burden and a source of strength. Another theme is friendship. His friendships with other characters might be tested or strengthened because of his new identity. And there's also the theme of discovery. Percy discovers new things about himself, his powers, and his place in the world because of being the son of Achilles.
One common theme is heroism. Percy is often portrayed as a hero, using his courage and powers to save the hunt. Another theme is friendship, as he might make new friends or strengthen existing ones during his mission.
A common theme is friendship. Percy saving Thalia shows the deep bond of friendship between them. It emphasizes how they are willing to risk their lives for each other.
Many 'Percy Saves Olympus' fanfictions also explore the theme of the clash between the modern world and the world of Greek mythology. Percy, being a modern - day demigod, has to navigate both worlds, and this creates interesting scenarios. For instance, he might use modern technology to defeat ancient monsters while saving Olympus.
One common theme is heroism. Percy is often portrayed as a hero who overcomes great odds to save the seven. Another theme is friendship. His relationships with the seven and how they support each other during the rescue is often explored.
Love is a very common theme. Their relationship, whether it's a passionate love or a more complex, nuanced one, is often explored.
One common theme is the concept of honor. Both Achilles and Hector were known for their honor in the original story, and fanfictions often explore how this aspect of their characters affects their relationship, whether it's on the battlefield or in other situations. Another theme is rivalry. Their famous rivalry is a central part of many fanfictions, showing the intense competition between them.
One common theme is the combination of power. Both Naruto and Achilles are known for their great strength in their respective stories. So, in fanfiction, it's often about how Naruto's ninja powers and Achilles' physical and combat abilities can work together or clash. Another theme could be about destiny. Naruto has his own path of becoming a great Hokage, and Achilles was fated to his heroic yet tragic end, and fanfictions may explore how these two different destinies interact.
Love and conflict is likely a theme. Given the nature of their relationship in the fanfiction (assuming it's not just a straightforward retelling of the original myth), there could be a struggle between their feelings for each other and the external forces or their own personal beliefs that cause conflict. This could add an interesting layer of drama to the story.