Top 10 Saddest Undertale Deaths

I was surprised to see this wasn't a list already, so I figured I'd take action.
The Top Ten
1 Papyrus (Genocide Route)

He believes in you. But you don't. And worst of all, you hear him blabbering about how he will soon become a royal guard in pacifist/neutral. He never even got to talk to Undyne when we first encounter her.

So he never became a royal guard. And he tried all of that stuff to be one. He built stuff, he waited outside the captain's house all night, he started training, he got his own lazy brother to watch outside a post for any humans, he and his brother set up puzzles. All of that just for an actual human to come down in Snowdin, making Papyrus think he would finally become part of the royal guard. Only for his soul to be ripped from his body as he states that he still believes in you.

"Are you offering a hug of acceptance?"

2 Undyne (Neutral Route)

Jesus, if there's a character whose death is anywhere close to as sad as Undyne's, it's Papyrus. Sure, she is sort of a... let's say, jerkwad, just to keep it family-friendly, but she's only that way to protect her kingdom, family, and friends. I mean, if your family were in danger of dying, wouldn't you protect them, too? I would protect anyone I could from getting hurt.

In the end, she just wanted to protect her kind, and you went off and killed her without thinking twice. She tries to stay alive. She doesn't want to die. Nobody does. Neutral could be the worst you could do. Think about Alphys and how she has to suffer through life now, knowing that her best friend and the only one who really cared about her is dead. Jesus, dude.

3 Mettaton (All Routes)

My boy Mettaton should be so strong that trying to kill him will result in a GAME OVER.

4 The Dogs (Any Route You Kill Them In)

The dogs are the happiest creatures ever. If you do genocide and have to kill them, at least throw them a stick to give them a good time and a quick death.

I hate killing Lesser Dog in Genocide. It breaks my heart.

5 Sans (Genocide Route)

Sans is my favorite character because I was introduced to Undertale through him. Now, about six months later, I beat Undyne the Undying with relative ease, but Sans is like "Nope!" I saw about 600 different videos on his death, however. A fan-made animation stopped me on my first genocide run because it was so sad. (If you want to see it, search Close To You Undertale animation on YouTube). I am now trying not to cry at how guilty I feel for the Genocide run while also not dying after attacking Sans once.

Sans just wanted to be happy and to make Papyrus happy... It hurts that anyone would try to even hurt a guy like that. I love my own little bro, so I understand Sans, but not anyone who can kill him or Papy.

6 Toriel (Any Route)

It's just plain sad. She's literally referred to by all of the UT community as Goat Mom.

7 Temmie (All Routes)

They are so happy, then you kill them. That is why I never played UT again (I still like Pacifist though).

Why? They're happy, their song is happy, why did you ruin their life?

Why would you kill Temmie! Temmie helped make Undertale!

8 Asriel Dreemurr (True Pacifist)

Condemned to live forever as a soulless golden flower from the same garden in which his sister took the flowers which she killed herself with.

"Someone has to keep looking after these flowers."

This line hit different. Those flowers, beneath them is Chara's corpse, still with the seeds of the golden flowers that became her end. I just wish that we could give Asriel seven human souls (six from the Barrier, one sourced from death row inmates (or D-Class)) and give Chara an injection of DETERMINATION. That would be a real happy ending.

9 Toriel (All Routes)

I didn't feel anything at all in the genocide route. But... somehow I feel like I need to vote for this one because you are killing your own mother. Toriel only wanted the best for you, and you struck her down.
I feel like whenever someone is playing Undertale for the first time, this fight really decides what path you take. I know because I nearly killed her in my first run.

Need I explain this one?
"Y-you really hate me that much...? Now I see who I was protecting by keeping you here, not you... But them! Ha... ha... ha... ASGORE. Do not let ASGORE take your soul."

10 Alphys (Certain Neutral Routes)

To answer your question, she commits suicide off-screen. If you kill Mettaton or Undyne, she says this. "I was just worried I would be too afraid... To tell the truth... That I might run away, or do something... Cowardly." After that, she tells you to leave, and if you come back to the door, it would say that no one would answer it.

She takes her own life because you killed two of the only people who cared for her. Neutral Routes are sometimes worse than Genocide Routes.

It's just really sad to have her let you kill her because she felt guilty... just sad.

The Contenders
11 Asgore (Neutral Routes)

This man is literally the most understood character in UT for no reason. He literally is the KINDEST character in Undertale. He hates violence and still people hate him. Bruh...

"I remember the night after my son died..."

ASGORE is the most tragically misunderstood character in Undertale. It's a real shame that most of the fandom just says the same tired old "he killed six kids!" thing. Undyne wanted to kill you too, so did Mettaton. Flowey killed possibly millions for goodness' sake, and you're saying that Asgore deserves all the hate he gets because he wanted to free his people? Hell, given that the fallen humans' items are found at different parts of the game, it's likely they were all killed by the Royal Guard rather than Asgore himself.

12 Undyne (Genocide Route)

The way she smiles when you hit her, it's like she wants you to kill her. But the way she dies... HAVE YOU SEEN IT? SHE MELTS! Why does that only happen to her, but the others shatter into millions of pieces? This world will always live on...

Undyne dies. And then she comes back, realizing that she has to protect all of humankind and monsterkind. Ironically, in being sliced in half by a human, she realizes their worth. But alas, she is struck down once more, and with a smile, she has hope for the world, even in her last dying moments.

"By now, Alphys has called Asgore and told him to absorb the six human souls... And with that power, this world will live on!"

13 Asgore (Pascifist)

I don't know if he dies in Pacifist, but Flowey takes his soul. That's kinda mean. I blame Flowey.

14 Flowey (Genocide Route)

Flowey - or I suppose I should say Asriel - still believes that Frisk, this genocidal maniac who sees murder as a game, is Chara, his best friend who took her own life trying to save monsterkind. Asriel is confused, he is terrified, and he is dead.
"I never betrayed you, see?! I- I can be helpful to you! I can help.. I can... I can... Please don't kill me..."

Maybe the genocidal weed deserves to be killed, but at the end of Genocide, he realizes he's Asriel and begs you not to kill him. Spoiler alert: you have no choice and must kill him in what may be the most brutal hits in the game.

15 Dogi (Dogamy/Dogaressa) (Neutral and Genocide)
16 Snowman (Genocide)

He just wanted to see the world but was eaten.

17 Muffet's Death (Neutral/Genocide Route)

The spider just comes to warn the player about the next attack, then sees their leader die.

18 Mad Dummy (Genocide)

It was so happy that it finally got to feel alive... and then you just take that right away from it! Now that is just cruel. Also, I just want to say that this so deserves to be ABOVE a FAN-MADE character, not below.

19 Papyrus (Neutral)

It's so sad because if you get his health low enough, Papyrus will spare you. It's impossible to do by accident.

If you kill him, you are a monster.

20 Flowey (Neutral)

No, I'm not talking about Photoshop/Omega Flowey, I'm talking about right after you beat him, right after he turns into his regular flower form, and when you kill him instead of sparing him when you get the chance. Even though he wanted to die, and makes that face when he says "I knew you had it in you," it's still pretty sad if you think about it.

21 So Sorry (Pacifist)
22 Asgore (Genocide Route) Asgore Dreemurr is a boss monster and the king of the monsters in the 2015 RPG Undertale made by Toby Fox. Asgore is the portrayed main antagonist who plans to acquire seven human souls and use their power to break the barrier that seals the monsters underground . Aspects of his character are hinted... read more

He tried to spare you and give you a cup of tea, and you murder him with one strike. The same way you killed the last of the royal guard (in my opinion, Sans is part of the royal guard, but he keeps it a secret because he doesn't want to impose on Papyrus, even after he dies).

He didn't even get a chance to defend himself.

23 Frisk (All Routes)
24 Disbelief Papyrus (Genocide route in Disbelief)

He only wanted to protect his brother... He still gave you another chance after all that... If my sis got harmed, I'd be mad to the bone. But THIS. THIS. That is brutal.

25 Chara (All Routes) Chara is a character in the game Undertale by Toby "Radiation" Fox who is one of the seven people to fall to the Underground prior to the fall of the player character. Their name can be changed by the player and will be assumed as the player character, until the Pacifist Route when Asriel asks for the... read more

We never see Chara's death for ourselves, but look at the impact it had on the rest of the Underground! Asriel died fulfilling their final request, the whole kingdom despaired, Asgore and Toriel broke up, causing Asgore to wage war with humanity. This led to the deaths of six innocent humans.

From what we've seen in the tapes, Chara poisoned themselves in an attempt to help free the monsters from the Underground. However, the plan went wrong, and their sacrifice was all for naught when it only led to the death of Asriel and the devastation of all the monsters in the Underground. If this isn't tragic, I don't know what is.

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