UT Theories - Sans the Time Traveler by mdchan, literature
Literature
UT Theories - Sans the Time Traveler
WARNING: SPOILERS AHOY!!
Besides Gaster, Sans is one of the most mysterious characters in the game. He seems aware of the fact that you can Reset and Load (evidenced by his nihilistic behavior), he knows there are other worlds/timelines out there (as evidenced by his dialogue in the Genocide fight), and takes "shortcuts" to get places (in the snowy forest before Snowdin, if you go down after the ice puzzle, he'll even appear ahead of you after you walk past him).
While there are still some ambiguous and missing pieces of the puzzle which is Sans (such as his past and how he knows what he knows), there is one thing which can be said for ce