Ephesians 3:10

10 His intent was that now, through the church, the manifold wisdom of God should be made known to the rulers and authorities in the heavenly realms,

Read Ephesians 3:10 Using Other Translations

To the intent that now unto the principalities and powers in heavenly places might be known by the church the manifold wisdom of God,
so that through the church the manifold wisdom of God might now be made known to the rulers and authorities in the heavenly places.
God’s purpose in all this was to use the church to display his wisdom in its rich variety to all the unseen rulers and authorities in the heavenly places.