As stated by Warren Ellis , Hellblazer 's major themes was cynicism , nihilism and " sudden violence " , with the protagonist oftentimes narrating the story in dark proses with occasional breaking of the fourth wall . In many story arcs every victory Constantine make have a negative side effect and often lead to tragedy . His friends , family , and others would be sacrificed or be caught in the crossfire , many of them dead or have left him . John try his best to make something good in his life , but most of it leading to failure .