There are definitely a lot. With all the Servants and Masters I've met here... I highly doubt they're all from just one or two Wars.

[After releasing Ayaka's hand, she absentmindedly runs the fingers of her opposite hand over the faded command spells.] It's not that strange for me, though. Seeing all the different people here, I mean. I come from a world where there were over a hundred Master and Servant pairs at the beginning of the war.