2 Kings 23 20
He punished with death all the priests who served false gods at those altars. He killed them on their own altars. He burned human bones on all the altars. After he had done that, he went back to Jerusalem.
Compare with other 3 random translations
KJV 2 Kings 23:20And he slew all the priests of the high places that were there upon the altars, and burned men's bones upon them, and returned to Jerusalem.
NKJ 2 Kings 23:20He executed all the priests of the high places who were there, on the altars, and burned men’s bones on them; and he returned to Jerusalem.
AMP 2 Kings 23:20All the priests of the high places who were there he slaughtered on the altars, and burned human bones on them [to desecrate the places forever]. Then he returned to Jerusalem.Passover Reinstituted