What does 1 Chronicles 11:23 mean?

He also killed an Egyptian who was a huge man, almost like a giant. The Egyptian had a spear like a weaver’s beam, but Benaiah went at him with just a staff, snatched the spear from his hand, and killed him with it. 1 Chronicles 11:23 - Modern Text Bible

(Benaiah’s resourcefulness and bravery were legendary, taking down a powerful enemy with only a simple weapon.)