[And so the chase after the great tsundere of yore begins in earnest...

Gilgamesh takes no offense to Setsuna's incredulity. Though his nobility was apparent at first glance, in his humble opinion, he recognized that it took time for some humans to accept the strange and the mystical around them. And Servants were certainly very strange and very mystical, even stripped of their powers.

Instead, he just waves the matter off.]

Do not concern yourself. All will become known in time.

[As for the name, Gilgamesh puzzles over its origins, over its meaning, a moment from eternity. How wonderfully poetic.]

Such a name holds much promise, Setsuna. I could only hope you live up to it.