sons-of-the-shadow:

This is the air alchemy symbol. According to the bible, who is the prince of the power of air? If you have seen the music video, its like a pyramid is coming for your weapons.

2 Corinthians 10:3-6 – For though we walk in the flesh, we do not war after the flesh: For the weapons of our warfare are not carnal, but mighty through God to the pulling down of strong holds; Casting down imaginations, and every high thing that exalteth itself against the knowledge of God, and bringing into captivity every thought to the obedience of Christ; And having in a readiness to revenge all disobedience, when your obedience is fulfilled.