What it means
The battlefield Paul describes is the mind: arguments, presumptions, thoughts. The weapons are not force or cleverness but God’s power, and the goal is every thought bowed to Christ.
Paul defends his ministry against critics in Corinth who judged by worldly measures. He refuses their weapons and describes his own.
Where it addresses you
Your thoughts are running in a direction you know is not true.
You are tempted to win a spiritual battle with worldly tactics.
General. Not on a curated Path.