Ral - Melts a square yard of copper roping

          He reached up, and found the edge of one of the gratings that let wires and conduits pierce the dome and reach the outside of the tower. It was made of thin copper wire, twisted together, and Ral sent all the power left in his backpack running through it. It sparked, then sagged, melting away. Cables flopped to the ground, leaving an opening in the dome a yard square.

***

The Gathering Storm, Chapter 20