This plot often appeared in Japanese anime such as Sword Art Online and Death Note. The woman with the lightsaber was usually called the " Light Maiden " or " Light Warrior " while the woman with the black sword was called the " Dark Maiden " or " Dark Warrior ". These characters usually had their own story and background, and they interacted with other characters to form an exciting storyline.
It could be the origin from fan - made content. There are a lot of fans out there who like to combine different elements from various universes. So, a 'Star Wars' fan who also adores cats and dogs might have created this concept in a piece of fan - fiction or fan - art, and then it was misinterpreted as a real story. Another possibility is that it was a joke in a creative writing workshop or among friends, and then it somehow gained a bit of popularity as a so - called'real' story.
There is no such a real story in the real world. It's more likely a fictional or made - up scenario that might be from someone's wild imagination or a creative fictional work.
Well, in theory, it could. Fanfics often like to blend different fictional universes. However, in the official Harry Potter lore, there are no lightsabers. But in a fanfic, an author could come up with some creative magic or a cross - universe event that brings lightsabers into the wizarding world. Maybe a powerful wizard discovers a way to create a weapon similar to a lightsaber using magic and some rare materials.
Battle Through the Heavens was not made into an anime. Battle Through the Heavens was a popular fantasy novel that told the story of the protagonist Yun Fan's rise in cultivation. Although there were rumors that the novel would be adapted into an anime, there was no official confirmation.
He could find it during one of his missions. Maybe he's exploring an ancient ruin and stumbles upon the lightsaber. It could be in a chest or just lying there, and Naruto, being curious, picks it up.
Pikachu would probably be very curious. It might zap the lightsaber a bit to see what would happen, and then be in awe of the bright blade. It could also get a bit protective of Ash when he wields the lightsaber, as if it senses the added danger.
Perhaps it's given to him by a mysterious figure. This figure could be from another dimension or a very old ninja who has been in hiding for a long time. They recognize Naruto's potential and power, and decide that he is the one worthy of wielding the black lightsaber. This could be part of a bigger plan to help Naruto defeat a new and powerful enemy that neither the ninja world nor the normal means of combat can handle.