Board Thread:Questions and Answers/@comment-29905311-20170130083321/@comment-29905311-20170130163643

No sans says a different line if you didn't complete a pacifst run prior to a genocide run he says that friendship is a good thing and then he tells you to quit fighting sans is only able to figure out how much times the protagonist was killed by him it was never stated that he can figure out if he was friends with the protagonist in another timeline