Trapped in Bones

You shouldn't have left your au unfinished, you should've have added a happy ever after.
You should've known that the world was doomed to war.

Born no made as Sans, you live through the remains of what was your AU, nor torn with war, bloodshed and an ancient conflict.

As a soldier of war, a fool strung with the battlefield you're not sure if your happy or not you made your Sans capable of war.

Maybe all of this is fated? What other explanation as to why you seem to thrive here.

Un-chronological plot