How unfortunate, then, that he did not survive our match. [Well, sort of... but that would take way too much explaining, and it might sully his memory, so Saber won't speak of it!]

...you're unfamiliar with the term? Strange... though, if your digitization was not intentional, I suppose there is no reason to assume that you're a magus. Very well, then! I shall educate you.

Servants - beings such as I - are the memories of great, earth-shaking personages in Earth's history, as recorded by the Moon Cell. We're given life once more - digital life, that is - and cast into classes as befit our abilities, that we may battle for ownership of the Holy Grail.

I [She gestures grandly to herself... as befitting her status!!!] am of the Saber class, a genius of the blade! And, in life, I...

[...and she stops. And crinkles her nose a little.]

...no. For now, that must remain a secret.