Top Ten Hardest Undertale Bosses

Frisk

The Top Ten

1 Sans Sans Sans or Sans the Skeleton is a character in the 2015 RPG Undertale created by Toby Fox. He is a lazy, pun-loving skeleton who is a supporting protagonist in the "pacifist" and "neutral" routes of Undertale, and a heroic antagonist/final boss of the "genocide" route. He is known for his incredibly difficult ...read more. V 4 Comments
2 Asriel Dreemurr Asriel Dreemurr Asriel Dreemurr is the child of Toriel and Asgore in the 2015 game Undertale made by Toby Fox. Asriel passed away prior to the games events, and is only mentioned of in the final moments of two of the games possible endings.

How is this fight hard? You can't even die in it!

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3 Omega Flowey

Looks like the hardest boss ever (tied with sans) because it's so powerful imagine a talking attracting deadly flies swinging cactus hands and shooting barrages of seeds all at once. Well good luck on that one because its pretty damn hard

Sans on hard mode is one hell of a boss, but Omega Flowey on Hard Mode is NUTS! X( I don't think anyone has beaten this boss on Hard Mode. - Doge4lifeGaming

Sans on hard mode is one hell of a boss, But Omega Flowey on Hard Mode is NUTS! X( I don't think anyone has beaten this boss on Hard Mode.

4 Asgore Asgore 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.
5 Mettaton Mettaton Mettaton is a character in the popular 2015 RPG game, Undertale. He is a robot with a soul built by Dr. Alphys, and is the sole television star of the underground. Mettaton is a popular character in the fanbase. His notable features include his legs, and his catchphrase "OH YESSSS!"
6 Undyne Undyne Undyne is a main character in Toby Fox's 2016 RPG, Undertale. She is the heroic fishlike captain of the Royal Guard, who takes it upon herself to protect the monsters of the Underground. Her name is derived from the word "Undine", and is a pun on the word "Undying". Her most loved monsters are her mentor, ...read more.
7 Papyrus Papyrus Papyrus is a character from the 2015 game Undertale, made by Toby Fox . He is the Younger brother of Sans the skeleton, royal guard in training, and a sentry in the town of Snowdin . Opposite to his brother, papyrus is active, loud, and full of himself; but in an endearing way. Papyrus means to become ...read more.
8 Toriel Toriel Toriel is a main character in Toby Fox's 2016 RPG, Undertale. She is an amazing blend of goat and mother.
9 Muffet Muffet
10 Undyne The Undying

This is one of the TRUE heroes of Genocide. Screw you Chara-possessed-Frisk.

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The Contenders

11 Mad Dummy
12 Napstablook Napstablook Napstablook is a secondary character from Toby Fox's 2016 RPG, Undertale. He is the cousin of Mettaton, who left him in order to become famous. Due to this, poor Blooky has crippling depression. V 1 Comment
13 Seven Human Souls
14 Alphys NEO
15 Mettaton NEO Mettaton NEO

SO EASY - coolgamert

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List StatsUpdated 21 Feb 2017

15 listings
219 days old

Top Remixes

1. Asriel Dreemurr
2. Sans
3. Omega Flowey
Frisk
1. Sans
2. Omega Flowey
3. Asriel Dreemurr
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