I've been focusing so much lately on which techniques work the best for bringing about recovery from a sickness or injury that I forgot about something very fundamental. God watches out for those who pursue Him. Just read Psalm 91.
I think this can also apply to our effectiveness in battling against spiritual darkness. The more connected to God we are, the more God's power shines through us. I was reminded of this when watching an interview with Hank and Brenda Kunneman. It's easy to rely too much on our own strength (or willpower, dedication, skill, etc....), even when pursuing spiritual things! It's about time for me to press into God and seek Him first and foremost.