The battle we are in requires us to constantly pray for each other, that we may keep holding nothing back to tell the world they are at odds with God who fairly must deal with them with the place prepared for the devil and fallen angels. We have the words of life that He gave, and are heavenly ambassadors to the reconciled of heaven. The battle is against the lies that deny Jesus Christ as the only way, truth, and life. So we pray watchfully and with endurance. This is the war in spiritual realms...
Ephesians 6:18-20
18 praying always with all prayer and supplication in the Spirit, being watchful to this end with all perseverance and supplication for all the saints — 19 and for me, that utterance may be given to me, that I may open my mouth boldly to make known the mystery of the gospel, 20 for which I am an ambassador in chains; that in it I may speak boldly, as I ought to speak.