When they reached the concrete barrier he said: “Stand back a little. There will be a mess.”
Concentrating hard, letting the power flow at maximum magnification, focusing it down to a single point, he formed his mind blade – this time absolutely flawless. The weapon shined brilliant in the darkness, its edge sharper and harder than any man made object. He got into his stance and began a kata, cutting a triangle. Every cut followed precisely the previous one and everytime the weapon sunk deeper into the reinforced concrete. It took all in all 10 seconds until with a final blow the one meter thick piece finally gave way to the other side. Dust was chocking the air and the ultrasound was his best bet to perceive anything.
<<Let’s go and get the drones in. Ten seconds after we follow.>>