What the Bible actually describes
In the Gospels, demons are shown tormenting, deceiving, and controlling people. Jesus frees men and women who are suffering, and he gives his followers authority over unclean spirits (Luke 4:33-36; Luke 10:17-20). The focus is consistently on people, not on demons taking up residence in furniture, jewellery, houses, or everyday belongings.
That doesn't mean the spiritual world is unreal. It means we should be careful not to claim more than Scripture claims. The Bible never gives a clear example of an ordinary object becoming demon-possessed or spiritually dangerous simply because someone owned it.
And Jesus rebuked him, saying, Hold thy peace, and come out of him. And when the devil had thrown him in the midst, he came out of him, and hurt him not.
Why idols and occult items matter
Paul makes a careful distinction when writing to Corinth. An idol is not a god with real power in itself, yet sacrifices offered in pagan worship can involve fellowship with demons (1 Corinthians 10:19-20). The danger is not that wood, stone, or metal has a secret life of its own. The danger is participating in worship or practices that turn a person away from God.
At Ephesus, people who had practised magic responded to the gospel by publicly burning their costly books (Acts 19:18-19). They were not performing a ritual to cleanse haunted paper. They were making a clean, open break with their former practices.
But I say, that the things which the Gentiles sacrifice, they sacrifice to devils, and not to God: and I would not that ye should have fellowship with devils.
A wise and peaceful response
If you own something used for divination, spell-work, spirit contact, or another occult practice, it is wise to get rid of it rather than keep it as a curiosity. This follows the pattern of Acts 19:18-19. You don't need special words, a dramatic ceremony, or a fearful inspection of every item in your home.
For ordinary second-hand possessions, gifts, antiques, or items with an unknown history, the Bible gives no reason to panic. Paul says that food sold in the market could be received without anxious questioning, because the earth belongs to the Lord (1 Corinthians 10:25-26). That principle helps: God's world is not beyond his care, and fear needn't rule your home.
Stand in Christ, not in fear
The centre of Christian confidence is Jesus, not our ability to identify spiritual danger. Christ disarmed hostile spiritual powers through his cross (Colossians 2:15), and believers are called to resist the devil by standing firm in faith (1 Peter 5:8-9). Prayer, Scripture, honest repentance, and fellowship with mature Christians are far better responses than superstition.
If this question comes from persistent fear, nightmares, or a sense that you are unsafe, tell a trusted pastor, church leader, friend, or health professional. You are not foolish for wanting help. Bring your concerns to God, keep reading the passages in context, and remember that Jesus invites troubled people to come to him (Matthew 11:28).
And having spoiled principalities and powers, he made a shew of them openly, triumphing over them in it.