Revealing mistake: When Herod shoots Rusty in the back before the final gunfight, a car can be seen driving down the road in the background.
The Quick and the Dead (1995)
1 revealing mistake - chronological order
Directed by: Sam Raimi
Starring: Gene Hackman, Russell Crowe, Leonardo DiCaprio, Sharon Stone, Gary Sinise
Other mistake: During the first round of the duels we see a part of the participants list and "Scars" is missing. He should appear between "Spotted Horse" and "Sparks" according to their order of entering the competition.
Trivia: Star and Co-producer Sharon Stone was so adamant that Leonardo DiCaprio be cast as "The Kid" that when the production company refused his hiring, wanting a higher profile actor, she paid his salary personally out of her own pocket. She also hand-picked and insisted on the hiring of Russell Crowe, but fortunately for her pocketbook the production company agreed. (Source: IMDb)
Answer: He's a fraud and he's trying to impress people and create a reputation. Most of what he brags about is likely either made up or was actually done by someone else.