I talked about this years ago during my early universities studies with a classmate who was also a Fate fans. We talk for at least an hour about our favorite servants in the Grail Wars and how we could have seen more of their origins and life before entering the Throne of Heroes. Even now in my thirties, I still think about this conversation I had with my former classmate and wish we could see more of the servants' past lives. So I thought of how cool it would be to see a possible OVA or Films series of all the servants from each Fate title, such as Stay Night/Zero, Extra, Strange Fake, Grand Order and etc. I think it would something incredibly rewarding for both fans and Type Moon in itself.
As for the production aspects, I actually would love to see the studios who worked on the adaptions of the titles some of the servants are most prominent in, For instance, Ufotable covering the servants in Stay Night/Zero, A-1 with Strange Fake/Apocrypha, Shaft with Extra, and the various other studios that covered the PV's in Grand Order. I'd also would love to have the composers who created the music in the anime adaptations to bring back more of their magic to the history of the servants, such as Keita Haga, Yuki Kaijura, Hideyuki Fukasawa, and etc. Additionally of course, I'd like to see the seiyuu's return as their respective roles and lend their fantastic vocals, maybe even provide vocal tracks to their films, considering most of them are professional J-pop stars. With all that aside, I want to address the obstacle of coinciding storylines.
Yes many of the servants in the Fate franchise share much of their stories with each other. So how would the OVA's/films be able to show multiple stories without rehashing the same scenes or events over and over? Well, one of my favorite JRPG's, Odin Sphere, uses a non-linear multi-perspective narrative structure to tell the story of it's 5 playable characters. Each of the characters' story arcs are unique and perfectly overlap events within the game. I think this approach would work best.
With all that said, I'd like to hear some perspective of my fellow Fate fans. Do you think having OVA's/Films centered around the servant's past lives is a good idea? If so, which servants would you like to see most have their lore fully animated?