A common theme is the growth of Pan. As a Super Saiyan, she would experience personal growth, both in terms of her power and her character. She might learn to control her temper better, which is often associated with the Saiyan transformation.
The theme of friendship and teamwork also exists. Even though Pan might be a powerful Super Saiyan, she still needs her friends. Fanfiction could show her relying on her friends, who might not be as strong as her, but still contribute in other ways like providing moral support or strategic advice during battles.
One aspect of Dragon Ball Z Pan Super Saiyan fanfiction could be exploring new power - ups for Pan. Maybe she discovers a unique way to achieve the Super Saiyan form that's different from the traditional methods. It could involve her training in a secret place or having a special encounter that unlocks this power.
A fanfiction could explore Pan's journey as a Super Saiyan in Dragon Ball GT in relation to her family heritage. She might struggle with the pressure of living up to the Saiyan legacy. Her Super Saiyan transformation could be a turning point where she finally accepts her role and uses her power to protect those she loves, while also learning about the true meaning of being a Saiyan.
Another theme is self - discovery. The girl Saiyan usually has to figure out her own strength and potential. In many fanfictions, she starts off not knowing she can be a Super Saiyan, and through various trials and experiences, she discovers this hidden power within herself. It's like a journey of finding out who she really is.
It could be a rogue Saiyan from a forgotten part of the Saiyan history. This Saiyan might have a grudge against the Z - fighters and their descendants, like Pan. He could have developed his own version of the Super Saiyan 4 power in a more evil way and wants to prove his superiority by defeating Pan.
A common theme is empowerment. Female Saiyans are often depicted as being just as strong or even stronger than their male counterparts. They break through the traditional gender roles within the Saiyan society shown in the original series.
" Dragon Ball: Super Saiyan 10 " was a manga created by the Japanese manga artist Akira Toriyama. It told the story of the main character, Fliesa, who was summoned to become Super Saiyan 10 and fought with Sun Wukong and the others. Fliesa was an evil cosmic being who had super power and ability. In order to rule the universe, she constantly pursued power. After obtaining the power of Super Saiyan 10, Fliesa became even stronger and fought fiercely with Sun Wukong and the others. In this battle, Fliesa was finally defeated by Sun Wukong and ended his evil reign. The theme of the story was peace and friendship. It showed the courage and sense of justice of Sun Wukong and others, and also revealed the threat of evil forces in the universe.
I'm not sure about the specific content of your question about the Dragon Ball Super Saiyan GT. If he was referring to the Super Saiyan form in Dragon Ball GT. Super Saiyan 4 appeared in Dragon Ball GT. When Goku fought against Vegeta, who was possessed by Babe, he first transformed into a golden ape. Later, under the influence of his granddaughter Xiaofang, he transformed into Super Saiyan 4. This form's strength was close to Virus. His ultimate move was the red 10 times Turtle Sect Qigong Wave. His combat endurance was much stronger than the Super Three.
She could go on a quest to find a lost Saiyan artifact that can only be accessed by a Super Saiyan. This would take her to different planets and introduce new characters.
One idea could be Pan discovers a hidden power within herself that allows her to transform into a unique form related to Super Saiyan 4. Maybe she has to go on a quest to find the knowledge to fully control this power. Another plot could involve Pan traveling to a different dimension where Super Saiyan 4 is the norm and she has to prove herself among stronger Saiyans there.
Power - up is a very common theme. Since Saiyans are known for their strength, in OC fanfiction, they often go through various power - up stages. Another common theme is identity. OC Saiyans usually have to figure out their place in the Dragon Ball Z universe, whether they are related to the main Saiyan characters or are on their own path.