History TearJerker / TSUnderswap

** It's even worse when you take into consideration that you don't even need to kill the two to follow through with the route.

* Papyrus' reaction to Sans' death on the Ruthless route. Upon running into Chara on the bridge, Papyrus comes to the conclusion that his brother is already gone and almost breaks into tears on the spot. Had it not been for Sgt. Splosion's interference, they most likely would have killed him while he was still lost in his grief.

* Harry and Larry's boss fight on the Genocide Route in general. The only way you win the fight is by striking at Larry repeatedly until you push him off of the edge of the cliff you're fighting the duo at. Harry will respond by attempting to save his partner, just to come a second too late. Following this, he collapses to his knees in grief and [[GetItOverWith doesn't even bother fighting back anymore]], leaving himself open for the kill.

* Papyrus' reaction to Sans' death on the Genocide Route. Upon running into Chara on the bridge, Papyrus comes to the conclusion that his brother is already gone and almost breaks into tears on the spot. Had it not been for Sgt. Splosion's interference, they most likely would have killed him while he was still lost in his grief.

* Harry and Larry's boss fight on the Genocide Route hits like this big time. The only way you win the fight is by striking at Larry repeatedly until you push him off of the edge of the cliff you're fighting the duo at. Harry will respond by attempting to save his partner, just to come a second too late. Following this, he collapses to his knees in grief and [[GetItOverWith doesn't even bother fighting back anymore]], leaving himself open for the kill.

** Hell, Sans' entire boss fight is this. Throughout the second half of the battle, he makes it clear that he knows it'll inevitably end with him dying, hence why he doesn't care when Chara tears his mask apart and exposes his identity. All Crossbones trying to do is stall for time while the remaining monsters evacuate.

* Harry and Larry's boss fight on the Genocide Route hits like this big time. The only way you win the fight is by striking at Larry repeatedly until you push him off of the edge of the cliff you're fighting the duo at. Harry will respond by attempting to save his partner, just to come a second too late. Following this, he collapses to his knees and [[GetItOverWith doesn't even bother fighting back anymore]], leaving him open for the kill.

** Hell, Sans' entire boss fight is this. Throughout the battle, he makes it clear that he knows it'll inevitably end with him dying, hence why he doesn't care when Chara tears his mask apart and exposes his identity. All Crossbones trying to do is stall for time while the remaining monsters evacuate.

* Harry and Larry's boss fight on the Genocide Route hits like this big time. The only way you win the fight is by striking at Larry repeatedly until you push him off of the edge of the cliff you're fighting the duo at. Harry will respond by attempting to save his partner, just to come a second too late. Following this, he collapses to his knees out of grief and [[GetItOverWith doesn't even bother fighting back anymore]], leaving him open for the kill.

* During Asgore's fight, Chara is narrating normally. When you get Asgore to the point where you can spare him in Neutral and Pacifist, he again offers to let Chara live with him and describes the peaceful life the two can have together. Suddenly, Chara's narration lapses into the same DramaticEllipsis that happens several times in Frisk's fights against the Dreemurr family in Undertale, implying that they are unable to bring themself to say anything about what's happening, this time because they ''want'' to take him up on his offer but ''can't''.

* While not as one-sided as Toriel's fight in Undertale's Genocide route, Asgore's fight turns out to be just as heartbreaking. He recognizes how much of a threat you are, and decides that he has to kill you to protect everyone else. But even though his attacks are much harder in this fight than in the Neutral/Pacifist route, his combat descriptions will sometime state that he is ''still'' hesitating, as if despite his claims that you're beyond redemption, he ''still'' is holding out hope that you can turn around. And it's not until his health is almost depleted that he realizes you're truly out to kill him, and his sprite's arms begins shaking, his dialogue implying that he's breaking down at this point.

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* Betrayal-killing Asgore by getting him to the point where he's ready to let Chara go and then landing the killing blow. What's worse? That he doesn't even hold it against Chara, blaming himself for making them fight him and dying regretful and apologizing to them for making them distrust him? Or that the above shows Chara does want to stay with him but can't control themself, meaning you've just denied a young child the home and family they wanted, [[KickTheDog and then]] forced them to kill the man they wanted to be their father when he was about to let them go anyway?

* Asgore wants to take Chara into his home and live with them as a family, desperate to protect at least one child, the child who arrived on the anniversary of the day he lost everything, and who is implied to remind him of his adopted child Frisk. You can convince him to let them go with him thinking it's what they want, but it's all a tragic misunderstand: Chara ''wants'' to stay with him too, but they're forced to push him to let them leave and can't even tell their would-be father figure what's going on to ask for help. Heart-wrenching all around.

-->'''Chara's narration:''' [[TheWoobie But...]]