2 Kings 10:25
And it came to pass, as soon as he had finished offering the burnt offering, that Jehu said to the guard and to the captains, Go in, and slay them; let none come forth. And they struck them with the edge of the sword; and the guard and the captains cast them out, and went to the city of the house of Baal.
1 Kings 18:40
And Elijah said unto them, Take the prophets of Baal; let not one of them escape. And they took them: and Elijah brought them down to the brook Kishon, and slew them there.
Exodus 32:27
And he said unto them, Thus says the LORD God of Israel, Put every man his sword by his side, and go in and out from gate to gate throughout the camp, and slay every man his brother, and every man his companion, and every man his neighbor.
Deuteronomy 13:6-11
If your brother, the son of your mother, or your son, or your daughter, or the wife of your bosom, or your friend, who is as your own soul, entices you secretly, saying, Let us go and serve other gods, which you have not known, you, nor your fathers;
Ezekiel 9:5-7
And to the others he said in my hearing, Go you after him through the city, and kill: let not your eye spare, neither have you pity:
Ezekiel 22:21-22
Yea, I will gather you, and blow upon you in the fire of my wrath, and you shall be melted in its midst.
Revelation 16:6-7
For they have shed the blood of saints and prophets, and you have given them blood to drink; for they are deserving of it.