The outcomes of the three portals are all the same, it doesn't matter which one you choose.
Lu Bei disagreed with this, thinking that if the results truly were identical, there would be no need to set up three separate checkpoints.
The devil is in the details - Xinli Monarch believes the outcomes are the same because she overlooked the minutiae during her explorations, applying the same problem-solving approach each time.
Thus, which portal you choose first really does matter.
So, eliminating one wrong answer and using reverse reasoning to rule out the interference of luck, Lu Bei conservatively chose the portal furthest to the left.
The reasoning was so tightly interlinked and logically rigorous he felt assured of success.
Xinli Monarch had no idea what Lu Bei was thinking; she cursed him under her breath then fixed her gaze on the left portal.
