What does it mean that adversaries are 'chained' in spiritual warfare?

The metaphor of chained adversaries, as illustrated through Paul’s experience in Acts 18, signifies that while believers face various forms of opposition, these foes are restricted by God's control. Just as the lions in Bunyan's 'Pilgrim's Progress' were chained but appeared threatening, so too are spiritual adversaries limited in their capacity to harm those who are in Christ. This truth provides profound encouragement to believers, highlighting that our struggles are permitted by God for our growth and testing. Understanding that our enemies can only operate within the framework of God's sovereign will gives us a confidence to engage in spiritual battle with assurance.