writing for undertale is just . huh. this is all i know about xyz. let me check the dialogue dump/map dump/wiki to see if theres anything im missing. and the wiki is like no thats everything :) and im like FUCK
pretty much . that and they dont age unless they have kids.
and we dont even know WHY their soul persists. you could guess that its bc of Determination but given the fact that we see what happens when a monster is Determined and it sure as hell doesnt look like that i just. dont know ??? toby why would you do this to me