If Deku had a quirk in fanfiction, it would likely impact his character development. He might have become more powerful quicker or taken on different enemies. The story could become much more action-packed or focus on different themes.
It could make for a really exciting and unique story. Deku's growth and challenges would be measured in a more structured way, adding a new layer of excitement to his journey.
The Keyblade origin story is quite complex. It is said to be a powerful weapon with deep connections to different worlds in some fictional universes. It has ties to ancient powers and prophecies. Essentially, it was created with a purpose that often involves the balance between light and darkness, and is wielded by chosen characters in their quests.
I'm not entirely sure as it's a fanfiction, but it might involve crossovers. It could be that the story takes the ninja - like skills from Naruto and mixes them with the vampire - werewolf lore of Twilight, all while centering around the Keyblade. Perhaps the Keyblade has some special connection to the chakra in Naruto's world or the supernatural powers in Twilight.
A plotline for a Naruto Keyblade fanfic could start with Naruto finding a strange Keyblade - like object during one of his missions. As he tries to figure out what it is, he accidentally activates it and is sent to a different realm. In this realm, he meets other Keyblade wielders who help him understand the power of the Keyblade. Meanwhile, back in the Naruto world, his friends are worried about his disappearance and start searching for him. Naruto then has to master the Keyblade and find a way back home while also dealing with any threats in the new world.
Naruto might wield a Keyblade that reflects his ninja heritage. It could be a Keyblade with a design inspired by kunai or shuriken, with a hilt that has the symbol of the Hidden Leaf Village. The blade itself could be a vibrant blue or orange, like his ninja outfit.
In Kingdom Hearts 3, the Keyblade Graveyard is a place full of significance. It was once the scene of a cataclysmic Keyblade War. As the story goes, Sora and his pals arrive at this graveyard during their quest. There, they are confronted with various threats. The graveyard holds the memories of past Keyblade wielders. It's a place where light and dark forces collide, and Sora has to dig deep within himself to find the strength to fight and prevail against Xehanort and his minions.
The uniqueness of a 'the first keyblade war fanfic' might lie in its ability to fill in the gaps in the official story. Since the official account may not cover every detail, the fanfic can provide new perspectives and interpretations.
In a Naruto Keyblade fanfic, the Keyblade could be integrated into the Naruto universe in an interesting way. For example, the Keyblade could be related to some ancient and forgotten Ninja art. Naruto, as the main character, could be the only one able to unlock the true potential of the Keyblade. This could create a whole new power dynamic in the series. He could use the Keyblade to open portals to other dimensions, bringing in new allies or enemies. And his friends like Sasuke and Sakura could also be involved, either by being amazed at Naruto's new power or by getting their own Keyblades in some way.