Undertale's Hidden Sans Interaction

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There's an interaction in Undertale with Sans and Shyren that most people will never see!

#shorts
#undertale
#deltarune

[W.d_Gaster]

"you did not just start a concert after killing Papyrus"

[BoughtChip]

Sans watching you sing after you commited murder: 😐

[soundwavethedragon]

now we finally know that sans stalking you after killing papyrus is canon to the game

[isaiahmemes]

Kills papyrus.
Starts concert.
Sans:💀

[saumyatyagi]

This makes a really good theory.
The reason Sans was able to dodge our attacks was because he observed all our attack patterns from far when he was spying on us.

[thechangs]

i wonder is sans ever notices flowey is watching as well

[The_REDD_Driver]

Flowey and Sans watching you sing after killing their loved ones:💀💀

[nikolet]

Its been years and this damn game STILL surprise the hell out of me

[mr.doodytp]

Sans in pacifist: “that’s some nice singing right there, great to listen to while selling tickets.”

Sans when you kill papyrus: “the frick is this kid doing?!”

[Robin]

"You just Hum once and then Spare her."
Yellow Credits: *Sad Completionist noises*

[TheNorfAndOnly]

Another fun little tidbit about this: If you decide to do the full concert with Shyren, you actually end up *learning* “Shyren’s Song, ” which you can use against Knight Knights in The CORE, making it take 1 less turn to put them to sleep.

[DaltonIzHere]

If Flowey is watching you, and Sans is watching you after you kill Papyrus…does that mean during Undyne the Undying’s fight, Sans and Flowey are kicked back with a cold one waiting until it’s their turn?

[Doll_The_Giant]

Sans after you murder his brother in cold blood then start singing at a fish thing: 💀

[Devash]

Sans with his hood up

Everyone: Dusttale it is.

[LoganPacheco-xwjp]

“A hooded figure is watching from afar” after:dust tale sans appeared.

[Rsam]

I've played Undertale like, no joke, 70 times or so. I've watched so many gameplays and secrets about the game, and TO THIS DAY I still find new stuff about it. Toby Fox is a genius.

[alternatetimelinepapyrus]

“This children, is how dust sans came to exist.”

[inky-pjox]

“I’ve got my eye on you, so you just watch it.”

[tomatosoup]

Imagined during the concert when you hum, it had small bits and pieces of megalovania and bonetrousle.
Sans in the distance: Did you just start a concert and had the audacity to play a familiar theme after killing my brother? THIS DIRRRTTTYY BROTHER KILLE-

[troyuchiha]

Sans does watch you destroy all his friends before he washes the floors with you like 200+ times