Marcus halted in the middle of the flight, narrowing his eyes as he tried to pierce the darkness. He couldn't see anything, yet the voice he heard sounded familiar. He just couldn't place it yet.
"Yeah?" he yelled just back, still staying in one place more or less. He didn't expect anyone to be there this late, there weren't any Quidditch fanatics in the school as far as he knew... and he couldn't really imagine anyone else besides maybe, someone like Wood, to go and train a little right now.
Wood. That was where he knew the voice from! "Wood? Is that you?"