They sacrificed
Deuteronomy 12:30 beware that you are not ensnared to follow them, after they are destroyed before you, and that you do not inquire after their gods, saying, ‘How do these nations serve their gods, that I also may do likewise?’
Deuteronomy 18:10 There shall not be found among you anyone who makes his son or his daughter pass through the fire, one who uses divination, one who practices witchcraft, or one who interprets omens, or a sorcerer,
2 Kings 16:3 But he walked in the way of the kings of Israel, and even made his son pass through the fire, according to the abominations of the nations whom the Lord had driven out from before the sons of Israel.
2 Kings 17:17 Then they made their sons and their daughters pass through the fire, and practiced divination and enchantments, and sold themselves to do evil in the sight of the Lord, provoking Him.
2 Kings 21:6 He made his son pass through the fire, practiced witchcraft and used divination, and dealt with mediums and spiritists. He did much evil in the sight of the Lord provoking Him to anger.
Isaiah 57:5 Who inflame yourselves among the oaks,
Under every luxuriant tree,
Who slaughter the children in the ravines,
Under the clefts of the crags?
Jeremiah 7:31 They have built the high places of Topheth, which is in the valley of the son of Hinnom, to burn their sons and their daughters in the fire, which I did not command, and it did not come into My mind.
Jeremiah 32:35 They built the high places of Baal that are in the valley of Ben-hinnom to cause their sons and their daughters to pass through the fire to Molech, which I had not commanded them nor had it entered My mind that they should do this abomination, to cause Judah to sin.
Ezekiel 16:20 “Moreover, you took your sons and daughters whom you had borne to Me and sacrificed them to idols to be devoured. Were your harlotries so small a matter?
Ezekiel 20:26 and I pronounced them unclean because of their gifts, in that they caused all their firstborn to pass through the fire so that I might make them desolate, in order that they might know that I am the Lord.”’
Ezekiel 23:37 For they have committed adultery, and blood is on their hands. Thus they have committed adultery with their idols and even caused their sons, whom they bore to Me, to pass through the fire to them as food.
Devils
Leviticus 17:7 They shall no longer sacrifice their sacrifices to the goat demons with which they play the harlot. This shall be a permanent statute to them throughout their generations.”’
Deuteronomy 32:17 “They sacrificed to demons who were not God,
To gods whom they have not known,
New gods who came lately,
Whom your fathers did not dread.
2 Chronicles 11:15 He set up priests of his own for the high places, for the satyrs and for the calves which he had made.
1 Corinthians 10:20 No, but I say that the things which the Gentiles sacrifice, they sacrifice to demons and not to God; and I do not want you to become sharers in demons.
Revelation 9:20 The rest of mankind, who were not killed by these plagues, did not repent of the works of their hands, so as not to worship demons, and the idols of gold and of silver and of brass and of stone and of wood, which can neither see nor hear nor walk;