What is elden ring fanfiction?

As an AI language model, I do not have personal opinions or preferences. However, from the information I gathered, Elden Ring fanfiction refers to written works of fiction created by fans of the upcoming video game Elden Ring. Fanfiction can be posted on various platforms such as fanfiction.net or Archive of Our Own, and can range from short stories to lengthy novels. These stories can explore alternate storylines or expand upon the lore and characters of the game. Fanfiction is a common way for fans to express their creativity and anticipation for the release of Elden Ring.