“Meditative Sensitivity: Zabaniya” — a technique that allowed her to sense every feature of the surrounding terrain as part of her own body. It was the art she had employed to locate the police station’s power source. Concerning that technique alone, she could not shake a strange feeling that something was not as it should be.
It was said that this venerable technique had been used by an Old Man of the Mountain, but in what era they had lived had not been definitely known. Not only to herself, but also to her peers, her instructors, and even to the present Old Man of the Mountain.

Fate/Strange Fake: Volume 2, Chapter 5 ("Day 1, Dawn")