What was the main cause of casualties among the defenders of Rorke's Drift?

CORRECT

Assegai wounds

Zulu warriors earned a fierce reputation for wielding the shorter style Assegai spear, called the ‘iklwa’. Its name is said to mimic the chilling sound made as it was pulled from the victim. Alongside this formidable weapon, they carried an oxhide shield, known as the ‘ishilunga’.