Sieg and Karna fight for hours

Finally, both knights stopped, but not from fatigue. For these matchless heroes, even three days' worth of fighting would not exhaust them. But time waits for no man—and the pitch-black sky was becoming a gloomy dark blue.

In fact, several hours had passed since they first began. Neither had used their Noble Phantasms—neither had even the chance to utter their true names.


Volume 1, Chapter 3, Page 137