Book V

. we find Parzival and Orilus fighting with swords on horseback: this is unusual. In real warfare the knights would fight till one was slain, or till the issue was indisputably decided by one being felled to the ground. We occasionally find the combat decided by sheer strength of arm, one knight clasping the other and throwing him to the ground; so Parzival conquers Orilus,

## Book V . p. 149, and Gawain, Lischois,