The Battle Spiritual warfare is a battle between the kingdom of darkness ruled by Satan and the kingdom of light ruled by God and His Son Jesus Christ. The weapons of this warfare are not fleshly human weapons but spiritual weapons such as truth and righteousness, blessings and curses, forgiveness and repentance. The battle involves an intense wrestling with powers and principalities “in the heavenly realms” from which Christians need protection. (Ephesians 6:10-18, 2 Corinthians 10:3-5, Colossians 1:13, Revelations 12:1-17)
The word Heaven is plural “shamayim” or “ouranoi” (Gk). There are three heavens or “shamayim” mentioned in Scripture.
The first heaven is where “the birds of the heavens” fly. (Genesis 1:20, Psalm 104:12, Daniel 2:38)
The mid-heaven or second heaven is where the angels fly and do battle. (Revelation 12:4-12, 14:6,7)
The third heaven is where Paul or the person He knew was “caught up to” heard “inexpressible things” (2 Corinthians 12:2 NKJV) and is probably where Satan was first dwelling before he fell.
The Bible describes eight main spiritual realms: