One possible fanfic could involve Raven using some sort of dark magic or special jutsu to summon Naruto from his own world to hers. Maybe she needs his help to fight off an evil force in her realm that her own powers are insufficient to defeat. Naruto, with his never - give - up attitude and powerful ninjutsu, could bring a new dynamic to Raven's world.
The character development in these fanfics can be quite special. Since they are from different worlds, they have to learn about each other's cultures and values. This learning process helps in shaping their characters further, like Naruto might learn about Raven's more somber and mysterious nature, and Raven could be influenced by Naruto's never - give - up attitude.
Since I haven't read the fanfic, it's hard to say exactly who Raven Roth is. But based on the title, Raven Roth is the one who breaks Naruto's heart, so could be a character created for this particular fanfic.
The plot could be that Raven is in a dire situation in her world. She discovers an ancient spell that might be able to bring a powerful ally to her side. She decides to use it to summon Naruto. Once Naruto arrives, they face a powerful enemy that is threatening Raven's world. They combine their powers, Naruto's Rasengan and Raven's dark magic, to defeat the enemy.
One possibility is a curse or a blessing from an ancient entity. Maybe a powerful spirit or a forgotten shinobi bestowed these wings upon Naruto as a way to either test him or help him in his journey.
There's also 'Naruto and Raven: Cross - Dimensional Encounter'. In this fanfic, Naruto is somehow transported to Raven's universe. It shows how they both adapt to each other's presence. The author does a great job of exploring their different powers and how they could complement each other in battle.
One unique element is the special abilities that come with the raven contract. Ravens can be used for scouting, which is different from other animal contracts in Naruto. For example, they can blend into the night sky easily.
I'm not sure specifically as I haven't read that exact fanfic. But generally, it might involve Raven Roth doing something that deeply disappoints or hurts Naruto, perhaps betraying his trust, or rejecting his feelings in a really cruel way.
Naruto has his chakra - based powers like the Rasengan. Raven has his telekinetic and shadow powers. They could combine Naruto's Rasengan with Raven's telekinesis to create a super - powered attack, where Raven uses his power to guide and enhance the speed and force of Naruto's Rasengan.
Well, having raven wings might also change his chakra usage. He could potentially use the wind nature of his chakra in new ways. For example, he could create stronger gusts while flying to disrupt enemy formations. Also, the wings could be used defensively, like shielding himself or his comrades from attacks.