'Close,' he murmured. The shadows congealed together, forming a solid wall, ending the passage in front of him. Then he was off again, flying towards where he knew other entrances would meet his tunnel. Each he sealed off in the same manner, before returning and lying down near Bronze Angel. She would not have noticed him missing.
A few hours later he woke her. "It's time for us to move. I had to cast a few shadow related spells and they are wearing away. Malefore is on the prowl in the tunnels. The spells will only last a little while longer."