Well, not now, but once upon a time I had an idea to write a piece entitled Final Fantasy: Battle Royale, where basically it would take the world and characters of FF and place it in the scenario of Battle Royale, the Japanese book/film/manga created by Koushun Takami. I had the idea when I was about 15, and began writing. Got to about 10,000 words or so, but then stopped.
Fast forward about seven years (in present terms, this would be about the beginning of 2014) and I decided to take it all up again. Now, I've almost finished the first of my two parts.
Not to diverge from what is otherwise a topic that somewhat mulls over the realm of the "could've/would've/should've", but I thought I'd say that sometimes what you think you'll never do you may end up doing - I'm actually waiting for art now for my piece; it has turned into a proper project of sorts now!