Timed to Lilith's movie at the back of the Frostburn, shoot at the Bandit.
During the movie, a warning about a clap trap due to the large level difference will start and subtitles will continue to play.
If you succeed, Lilith's self-introduction will be skipped as soon as the movie ends, and the time will be reduced by 17 seconds.
In order for the warning to occur, you need to go through the Enemy on the way to Lv.7. If you adjust your experience to 20,000, you will be Lv8 after the movie and will be able to fight using lascaux.
You will need to destroy one more Bad Mo in the next section, which may not be very useful.