Though hidden, a Servant could not be mistaken about her own Master’s whereabouts. Saber was not lost, and she had come all the way to the front of the treetop at which Kiritsugu was hiding himself, and had stopped within a distance from which they could talk, but outside the perimeter at which they could exchange blows – a delicate distance indeed. A distance too far for intimate words to be exchanged between them; that was also the distance separating the hearts of this Master and his Servant.

The slender figure in suit was as imposing as ever, but the exhaustion within her face could not be concealed. As a Heroic Spirit, physical fatigue was nothing to her; but the excessive exhaustion due to her worrying was a completely different matter. The commanding glint in her eyes during those times when she was waiting upon Irisviel, was evidently losing its force.

- Fate/Zero: Act 15, Part 2