The Apostle Paul's WARNING on this Great Controversy

Of this Great Controversy, raging between God and His opponent played out here on this Space Fabric of Time, between the Twin decrees from the Throne of God of "Let There Be Light" until "It Is Done", the Apostle Paul gives us a WARNING:

For we wrestle not 

against flesh and blood,

but against principalities, 

against powers,
against the rulers of the darkness of this world, 

against spiritual wickedness in high places.

Ephesians 6:12