One interesting idea could be exploring how the Blood Blossoms affect Danny's powers in unique ways. Maybe they don't just weaken him but also cause some strange glitches in his ghost form.
One idea could be that Danny gets an illness that affects his ghost powers. For example, he might start losing control over his intangibility or invisibility. This could lead to some really comical or dangerous situations. Another idea is that his friends try to find a cure for his strange ghost - related illness while also keeping it a secret from the town.
One interesting Danny Phantom blood fanfiction could be about Danny's struggle with a new power related to blood that has unexpected side effects. For example, it might make him more vulnerable to certain ghostly attacks. Another could be a story where his blood has some sort of connection to an ancient ghostly prophecy.
One idea could be exploring Danny's relationships in a different way. For example, how his friendship with Sam and Tucker might develop if they faced a new supernatural threat. Another could be a story where Danny discovers a new power and has to learn to control it while dealing with school and his ghost - fighting duties. And perhaps a fanfiction where Danny travels to an alternate dimension within the Danny Phantom universe.
A great fanfiction idea could be a time - travel story within the Danny Phantom Phantom Planet universe. Danny somehow gets sent back in time to before he became a half - ghost. He has to figure out how to get back to his own time while also dealing with the knowledge he has of the future. This could lead to some really interesting interactions with his past self, his family, and friends. And he might accidentally change things in the past that could have a huge impact on the future of the Phantom Planet.
Obviously, Danny is a main character. He has to deal with the effects of the Blood Blossoms on his powers and his life.
One idea could be that Danny discovers a new ghostly power that he uses to take revenge on a group of bullies who have been tormenting his friends. He could use his intangibility in a creative way, like sneaking into their lockers and making their things disappear.
One idea could be Danny Fenton having to deal with a new ghostly enemy that can manipulate time, making his double life as Danny Phantom even more chaotic. Another could be Danny trying to balance his high school life, including exams and relationships, while also facing a ghost invasion that only he as Danny Phantom can stop. Or perhaps a story where Danny Phantom discovers a hidden power within himself that has a connection to his human side, Danny Fenton.
One idea could be exploring Danny's new role as a hero on a global scale. Maybe he has to deal with new threats that are attracted to his increased fame. Another could be delving into his relationships with his friends and family after the big events in Phantom Planet. For example, how does his relationship with Sam and Tucker change now that he's a more public hero?
Well, for Danny Phantom baby fanfiction, you could write about Danny having to babysit a baby that has the ability to see ghosts like he does. It would be full of comical moments as Danny tries to keep the baby calm while also dealing with ghosts. Or perhaps a story where Danny discovers a baby ghost in the Ghost Zone and decides to bring it back to the human world to protect it. You could also write a story where Danny's parents find a baby with strange energy readings and Danny has to keep his identity a secret while trying to figure out what's going on with the baby.
One idea could be Danny Phantom using his powers to help during emergency situations like in 911 calls. For example, he could use his intangibility to reach victims trapped in collapsed buildings.