sentences:  In "The Cattle Raid of Cooley", a famous episode of Irish mythology, all the warriors of Ulster but Cúchulainn are made sick by a curse and unable to fight the invading army of Queen Maeb, leaving Cúchulainn to fight a whole series of single combats by himself until they recover.The Welsh mythological tale, the Fourth Branch of the Mabinogi, depicts a single combat between the southern prince Pryderi and the northern magician Gwydion, to determine the victor of a war between the two kingdoms.Many battles depicted in the medieval Chanson de Roland consist of a series of single combats, as are battles depicted in various tales of the "Arabian Nights".