John Constantine:  You know , the hair on the back of my neck has been standing up since the moment I got into town .
Oliver Queen: That is probably our current problem - Damien Dhark . Ohh , you 've heard of him .
John Constantine: You watch yourself on that _ one _ , mate . He 'll make what you saw in the other realm look like a bloody gnat .
Oliver Queen: Any helpful advice ?
John Constantine: Yeah . Leave town . While you still can .