Perhaps in the 'naruto black lantern fanfiction', the Black Lanterns target Konoha. Naruto has to fight not only the physical threat but also the psychological pull of the Black Lantern's influence on him and his comrades. The story could explore how he overcomes this dark force while protecting his village.
Another interesting concept could be the origin of Danny becoming a Black Lantern. It could be due to some dark entity from the Ghost Zone manipulating him, or it could be a result of a failed experiment by Vlad. This would set the stage for a story full of mystery and drama as Danny tries to break free from the control of the Black Lantern power.
Well, in 'naruto x ornge lantern fanfiction', perhaps there could be a plot where Naruto has to learn to control the Orange Lantern's power which is very different from his chakra. It could be about his journey of self - discovery as he tries to merge the two power systems. Also, there could be a story where Naruto uses the Orange Lantern's power to face off against new and more powerful enemies that his normal ninja skills can't handle.
One interesting Naruto lantern fanfiction could be about Naruto using lanterns in a new way during a festival in Konoha. Maybe he uses his chakra to create unique lantern designs that tell the story of his journey. Another could be a story where lanterns are used to communicate secretly between different ninja clans during a time of unrest in the Naruto world.
In 'Black Lightning Naruto Fanfiction', a great idea could be the exploration of new jutsu inspired by Black Lightning. The fanfiction might introduce a new type of lightning - based jutsu that is more powerful and has different properties than the normal lightning jutsu in Naruto. Also, it could be about the training methods. What if Naruto or other ninjas had to train under the principles of Black Lightning? That would be really cool.
One interesting story could be about an OC who struggles to control the power of the Black Lantern. They might initially be overwhelmed by the dark and death - based energy but gradually learn to use it for their own purposes, like protecting their loved ones in a very unorthodox way.
One interesting Naruto red lantern fanfiction could be about Naruto discovering a hidden red lantern village during one of his missions. In this story, the red lanterns might hold some special chakra or power that Naruto has to learn to control. It could also involve him making new friends in the village and facing new enemies who want to steal the power of the red lanterns.
One interesting Naruto Orange Lantern fanfiction could be about Naruto obtaining an Orange Lantern ring and how it changes his powers. For example, the Orange Lantern power might enhance his Rasengan with the emotional energy of avarice in a unique way.
A cool plot could be an OC Green Lantern who has the ability to create constructs that can mimic different elements from their home planet. So, if their planet has a lot of crystal formations, they can create crystal - like constructs that are stronger and sharper than the normal green constructs. This OC could be on a quest to find a lost artifact from their planet that has the power to enhance the Green Lantern rings even further.
One idea could be a crossover where a Harry Potter character somehow gets a Yellow Lantern ring and has to struggle with the power of fear that comes with it. For example, if Neville Longbottom got the ring. He's a character who has overcome a lot of fear in the Harry Potter series, but the Yellow Lantern ring would test him in a new way.
One idea could be Batman being forced to team up with a Yellow Lantern to stop a common enemy. Maybe a powerful villain from the fringes of the universe is threatening Gotham and the Yellow Lantern has some knowledge or power that Batman needs.