“Isn’t it wonderful?! This sounds like a world worth tricking!” Francesca shouted amid the clouds, her eyes blazing.
Before long, the pair’s fall abruptly slowed until at last they were floating lightly in midair.
Using the highest caliber of illusion wielded by Heroic Spirits, they had performed the nearly rule-breaking feat of fooling the world’s physical laws.
“Ahaha! Fooling this world’s a piece of cake! I knew it must be built on a dream!”

Fate/Strange Fake: Volume 6, Interlude ("As Dream and Reality are Both Illusion II")