And I thought Cloud's buster sword was bad. That thing is built for a storm giant, and probably weighs more than the three of them combined.

I can't help but to notice that the girl in the middle looks awfully alot like Saber and her armor...

Here are the artist's comments:

nounanka said:
騎士「姫様、御脚が地面に埋まっておいでですが。」
姫様「良いのです。足が地面に埋まるくらいでなければ
武神の血を引く者として示しがつきませんから。」

Sir-Henri said:
I can't help but to notice that the girl in the middle looks awfully alot like Saber and her armor...

So I am not the only one though I thought it was Saber as a guy

Krugger said:
So I am not the only one though I thought it was Saber as a guy

That's a guy?