If he hadn't been that smart, he wouldn't have survived as long as he had, nor would he have survived much longer. As they finished moving to a different passage, likely the labs, he set up the last free mine he had, and then set up an illusion just beyond of it, similar to invisibility, while this got a simple baffle that would be hidden by the more powerful illusion further ahead and prevent them from noticing the mine unless they actively were checking every step for it.<em>Enemy units heading to a different wing, need to either leave now, or engage before they return. I say again, front door is currently clear, no idea on forces beyond it.</em>