The extraction technique was being used on Ibarin, and his energy was fading right before everyone's eyes. His once imposing frame was shrivelling, skin clinging tightly to bone as not just his mana core, but his very life force, was being drained away. The proud Grand Magus who had once commanded storms of power now looked like a hollow husk collapsing in on itself.
There was a limit to this method, a point where Raze could have stopped and left him barely alive. But why would he? Ibarin had taken far more lives than he could ever repay. Many of those deaths had been of people who were far less deserving than the man crumbling beneath Raze's grasp.