I read a book quite a while ago about a typical fantasy world that somehow had a connection to a modern world, and modern people would go on tours where they would be a "hero", taking part in staged battles and ultimately defeating an evil lord.
Specific details I remember:
- The tours also worked as hit contract fulfillment. Some tourists were targeted and would be actually killed during these battles because somebody had paid for it. In a particular scene, some of the "good" men bring a tourist to the leader of the "evil" elves(Or maybe men) who casually kills him.
- A lot of the story was from the viewpoint of the "evil lord" character, who is actually basically just a wizard working an acting job. Tourists make it to him at the end of the tour, and he sets it up so that they can really obviously push him into a pit where they think he dies, but he just hides and does the same thing for the next group.
- At the end, the tours get shut down due to monopoly enforcement I believe.
I initially thought this was a Discworld book, but I haven't found any with a similar sounding synopsis. Still, there might be some type of connection. Or not.