TheFoxsCloak

Originally Posted by Comun

Tangentially related to the debate of FGO's plans vs the actually released product, Avenger 13 was revealed to be Marie Alter, meaning she was made before Arctic Summerworld.
Avenger 13's timeframe includes the moment when reruns died, and if reruns still existed, the Requiem event was the next thing scheduled to have a rerun, so I'm guessing she was originally made for Requiem's rerun.

Originally Posted by Comun

Since this discussion made me check ID numbers again, here are all the big question marks we're currently missing (LIST UPDATED REGULARLY):

Servant ID	Placement	Events falling between them	My speculation
Lancer 37	Between Bradamante and Kagetora	New Year, Murasaki, Moriarty, Oo'oku, Case Files, and Yuga Kshetra	Scrapped version of Gray before she was reclassed to Assassin.
Lancer 45	Between Mei-ren and Vritra	Yamataikoku, Imaginary, and Heian	Scrapped version of Kiichi before she was reclassed to Assassin.
Lancer 52	Between Quixote and Britomart	Dogs, Arctic, Sakai, Liangshan	Unused Ninkigal slot.
Rider 33	Between Reines and Bart	Yuga Kshetra and Nobuverse	Scrapped version of Kagetora before she was reclassed to Lancer.
Rider 51	Between Suzuka and Takeda	Wandjina World Tour and Ptolemy's Grail Front	Scrapped version of Kagetora before she was reclassed to Ruler.
Rider 54	Between Santa Nemo and Andromeda	Only Waxing Moon	OC2 character because the collab wasn't supposed to go in January.
Caster 29	Between Illya and Scheherazade	Cjeste Pyramid, Janta, Babylonia, Solomon, Shinjuku, Meiji, SE.RA.PH	Early version of Miyu?
Caster 31	Between Scheherazade and Nero	Only Holmes and Bunyan	Scrapped version of Holmes before he was reclassed to Ruler.
Caster 37	Between Avicebron and Sieg	None	Amadeus Alter or reclassed Salieri?
Berserker 45	Between Rikyuu and Duryodhana	Csejte Liangshan, Faerie Knight Cup, Nahui Mictlan, Johanna, Takasugi, Lilim Harlot, Illya Castle	Early version of Nitocris Alter.
Avenger 8	Between Nobunaga and SpIshtar	Anniversary bronzes and Las Vegas	Early version of Kriemhield?
Avenger 13	Between Ranmaru and Erice	Karna Xmas, Faker, Bazett, Turtle, Riyo, Traum, and Dogs	Unused Protealter slot.
Avenger 17	Between Chloe and Ushi Gozen	Wandjina, Grail Front, Makai, Nemo Christmas	OC2 character because the collab wasn't supposed to go in January.
Alterego 6	Between Mecha-Eli and Majin	Salem, Kigal, Semiramis, Anastasia, Apocrypha	Early version of Douman.