At that point Jester stopped grinning for a moment, and narrowed his eyes as he turned his attention to the darkness of night itself. As if he were glaring at something human eyes could not see.
“Cursed Servant of the planet. Surround the city with your burden of death if you will, but I won’t surrender that girl, even to you.”

Fate/Strange Fake: Volume 2, Chapter 2 ("Day 0, Midnight")