Deuteronomy 12:27

12:27 You must offer your burnt offerings, both meat and blood, on the altar of the Lord your God; the blood of your other sacrifices you must pour out on his altar while you eat the meat.

Deuteronomy 32:42

32:42 I will make my arrows drunk with blood,

and my sword will devour flesh –

the blood of the slaughtered and captured,

the chief of the enemy’s leaders!’”