Contradiction with Exodus 20:13
2 Samuel 21:16 involves an intent to kill, while Exodus 20:13 states the commandment "Thou shalt not kill."
Exodus 20:13: Thou shalt not kill.
According to the author of the book of 2 Samuel, Ishbibenob was a very big and strong man with a heavy spear who wanted to hurt David, but he didn't succeed. Christians often see this story as a reminder that God protects those who trust in Him, even against big challenges.
2 Samuel 21:16: And Ishbibenob, which [was] of the sons of the giant, the weight of whose spear [weighed] three hundred [shekels] of brass in weight, he being girded with a new [sword], thought to have slain David. [the giant: or, Rapha] [spear: Heb. the staff, or, the head]
2 Samuel 21:16 involves an intent to kill, while Exodus 20:13 states the commandment "Thou shalt not kill."
Exodus 20:13: Thou shalt not kill.