In his otherwise flattering portrayal of James, Pedro de Ayala remarks on his ability as a military commander, portraying him as brusque and fearless on the battlefield: He is courageous, even more so than a king should be.
U inače laskavom prikazu Jakova IV., Pedro de Ayala daje primjedbe o njegovoj sposobnosti vojnoga zapovijedanja, prikazujući ga oštrim i neustrašivim na bojnom polju: Odvažan je, čak i više nego što bi kralj trebao biti.