A third common theme is justice. Sabo is a character who fights for what he believes is right. In fanfiction, this can be shown in different ways, such as him standing up against an unjust regime or helping the oppressed. It reflects his values from the original story and is often used to drive the plot forward in an engaging way.
One common theme is adventure. Since both characters are from the One Piece world which is full of adventures, fanfictions often feature them going on quests together.
One common theme is adventure. Since Sabo is from the One Piece world, the fics often involve the Reader joining him on his pirate adventures, facing various challenges together. Another theme is romance, of course. It could be a slow - burn romance where they gradually fall in love or a more immediate attraction.
One common theme is redemption. Sabo often travels back in time to fix past mistakes or make amends. Another theme is self - discovery. Through his time - traveling experiences, he learns more about himself and his true purpose.
Friendship is a very common theme. Their bond as brothers - in - arms is often explored in great detail. Writers like to show how they support each other through thick and thin.
One common theme is brotherly love. Sabo's strong bond with Ace drives him to take on the dangerous mission of saving him. It shows how far one would go for family.
One common theme is Sabo's loyalty. Many fanfics explore how loyal he is to his friends and the revolutionary cause. For example, he would go to great lengths to protect those he cares about.
One common theme is their brotherly bond. Writers often explore how their relationship grew and how it affects their adventures. For example, a fanfiction might show how they support each other during tough battles.
Rediscovery of their relationship after separation can be a theme as well. Given their backstories in One Piece where they were separated at times, in the fanfictions, their reunion can be the starting point of a new, more romantic relationship.
Adventure - themed stories are also popular. They might go on missions together and during these adventures, their bond deepens. For example, they could be on a dangerous undercover mission where they have to rely on each other completely, which in turn brings them closer emotionally.
Typically, themes of deep emotional connection are common. Since they are characters with a strong bond in the original work, in fanfiction, this bond is often explored more deeply, even in a romantic or sexual context in 'lemon' fanfiction.