He looks up at those stained fingers, entertained.

"Yes, those are all characteristics of a tree..."

He hasn't seen trees in a while either, now that he thinks about it. It's been a long stint in the Underground. Just a week or two, though, not years or decades. As he walks them in the direction of a long set of stairs carved into the wall, he thinks back on something Phalanx had said yesterday, something relating to time...

"Hey, Phalanx, do you know what power lines are?"