Surprisingly , for all the improvisation , the campaign actually followed a fairly strong narrative structure . The first session was basically an introduction where the characters got to strut their stuff a bit and established the basic setting . In the second episode the tension was ramped up with a duel and a murder ( unrelated ) . In the following sessions the characters came under increasing threat until finally defeating the villain in the finale .

Based on the preceding passage, answer the following question What type of profession does the narrator have ?
The narrator is a reviewer .