Parch was in no position to move around as it was her duty to be silent as the night. The old lady whom was the owner of the carriage accepted Parch as a traveling buddy, but instructed her on keeping quiet since hiding a human in the back of a food delivering carriage was illegal.
During all that time in Purgatory, he learned to not let into his desires. According to Satan's words, a man can only become powerful if they don't give in to their sins.
"S-sans! I - I didnt know you were awa--!" in mid-sentence,the shorter skeleton hugged Papyrus. He was so relieved and filled with joy. The reset worked! His brother was alive and well...of course, he had a slight guilt in the back of his mind for Chara. But what was more important, he had his brother back.
