[ This isn't exactly what he expected from being summoned to this Grail War (again, not that he remembers his last visit); setting aside the fact that he has to put his pride as a Hero on hold to be a familiar for a human, there'd been the general expectation that Masters cared about one and only one thing. Winning.

And here's his Master, expressing that she doesn't want casualties— innocent casualties— to hell with the Grail.

As someone who, in life, fearlessly asked his opponents for one-on-ones while his fellow men lay injured in their fort... he's not disappointed by that comment. ]

Then make sure that there're no bystanders whenever we have to do something dirty. Truth be told, I'm not too keen on killing civilians, either. Not very "heroic".