While Papyrus is mostly forgiving of you no matter how many people you kill and who, we do never find out how he'd react to Sans' death.

After all, Sans can only be killed if Papyrus is dead...along with everyone else.

So we actually don't know if Paps would still be forgiving, or if he would snap like this.

Considering the fact that Sans doesn't care who or how many you kill as long as Papyrus survives, but if Papyrus is dead, no matter who else you killed, he will call you a "dirty brother killer" - this could mean that Sans might also be the only character that could push Papyrus to actually hating you. After all, blood is thicker than water...even though they don't have blood.

Papyrus may be a forgiving character, but even he is not perfect. You can only push a person so far before they snap, no matter how pure-hearted and naive they are. Even Paps can be capable of hatred, but probably only through his brother's death.

So this AU of Disbelief!Papyrus is actually not that nonsensical or farfetched as it may appear at first.

No one's a flat, perfect character 100% committed to one's role.

Everyone prolly knows this already, but I still wanted to share it anyway. It's what I believe, either way.

Oh boy, if Papyrus was capable of Karma/Invincibility skip like Sans, the human would have to avoid every single attack or it'd be over in, like, one single attack. With the much larger ATK that Papyrus has, I mean.

At least his patterns are easier to avoid than Sans', unless he decides to show his full potential, in case what we see of him in the game isn't actually all that he's capable of... *shiver shiver*