Billy (via radio): Ethereals... ahead... spotted... please advise.
Tsukishiro Yanagi, currently on the move, heard Billy's voice over the communicator once again. This time, he had spotted Ethereals, confirming her suspicion that those creatures must have been hiding and were only now being uncovered by Billy.
Tsukishiro Yanagi: Do not alert them. Bypass them and find a way through.
Chapter 450