what drove Achilles to murder Hector?

As the first-born son of King Priam and Queen Hecuba, a descendant of He acts as leader of the Trojans and their allies in the defence of Troy, killing 31 Greek fighters in allAchilles points out that while Hector was terrorizing the Greek forces now, while he himself had fought in their front lines, Hector had 'no wish' to take his force far beyond the walls and out from the Scaean Gate and nearby oak tree. He then claims, 'There he stood up to me alone one day, and he barely escaped my onslaught of warHector remains outside the walls, while his army flees into the city. As Achilles approaches, Hector stands his ground, fights and dies upon looking up at Troy