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@sekri0.bsky.social Oct 10, 2026, 5:35 AM

A bit late, but my piece for the 11th anniversary!
#undertale #undertaleart

@lightninggoat.bsky.social Oct 9, 2026, 11:52 PM

#inktober day 9, someone has to take care the flowers

#undertaleart #undertalefanart

@jotari131.bsky.social Oct 9, 2026, 8:42 AM

🤍Mimo ref sheet!🤍

I love this lil goober

Chara does too

??/??
#intertwinedsoulsau #art #drawing #undertale #undertaleart #undertaleau #undertaleoc #oc #ocart

Mimo ref sheet! She's a goopy cat looking amalgamate!

Text (uppercase is chara for readability)

Created from the byproduct of the amalgamate experiments and a drop of DETERMINATION
Exhibits a "cat like" form and mindset
Any item left unattended will be covered in goo or be absorbed. SHE WILL DO IT ANYWAYS
Usually seen by Endogeny, her purrs calm it and any other amalgamate down. . .
ALSO SHE HAS PAWS, SHES JUST TOO LAZY TO SHOW THEM
they are quite. . . .adorable. . .

@lightninggoat.bsky.social Oct 8, 2026, 11:33 PM

#inktober day 8, mettaton's feeling a little... Bizarre

#undertaleart #undertalefanart

@lightninggoat.bsky.social Oct 7, 2026, 9:19 PM

Inktober day 7 with muffet, would you trust her?

#inktober #undertaleart #undertalefanart

@lightninggoat.bsky.social Oct 6, 2026, 8:29 PM

was sick for a few days but now that I'm feeling better I was able to get caught back up, so here's Inktober 4, 5, and 6!

#Undertalefanart #Undertaleart #Inktober

@lightninggoat.bsky.social Oct 3, 2026, 9:14 PM

inktober day 3 with papyrus

Undyne: I sleep in a big bed with my wife and her life-size mew mew plush

#inktober #undertalefanart #undertaleart

@lightninggoat.bsky.social Oct 2, 2026, 9:14 PM

Inktober day 2 with sans what will he say

#Inktober #Undertaleart #Undertalefanart

@lightninggoat.bsky.social Oct 1, 2026, 7:03 PM

decided to do inktober for fun and practice so get ready for some silly posting for a bit

#inktober #undertaleart #undertalefanart

A picture of Flowey and Toriel in shock looking at a collapsed Frisk in a flower bed.

@l3mur-blue.bsky.social Oct 1, 2026, 1:29 PM

I swear i draw more than just ralsei when it comes to UTDR characters, i also draw toriel and alphys sometimes, i do want to draw toriel a bit more since i have a couple of cool ideas for designs. (and also toriel is cute :3)

#furryartist #undertaleart #toriel #alphys #digitalart

@jotari131.bsky.social Oct 1, 2026, 9:28 AM

💥CORA ref sheet!💥

The antagonist of this au has made her debut

Chara has no comment on this entry.

0/??
#intertwinedsoulsau #art #drawing #undertale #undertaleart #undertaleau #undertaleoc #oc #ocart

The villain of my au, CORA!

Fun fact! I had her in my mind as a villain for like a decade, only now have I actually designed her :)

Lore fact: Gaster may or may not remember drawing the top right sketches of CORA
A message Gaster forgot to add was "THE CORE HAS BEEN COMPROMISED BY THE VERY THING THAT POWERED IT"

Description: the art is a reference sheet of my Undertale au oc CORA before and after the experiments. The ref sheet is also overhauled in a deep reddish hue unlike the others which were blue
On the left is CORA before the experiment, resembling the other fallen humans only older. She has dark black hair with long bangs and parts that swoop over the side of her head. A shadow is casted over her eyes, Whether that's because of her hair or because Gaster didnt want to draw her eyes remains a mystery.
She wears a long puffy greyish white sweater with dark grey stripes, dark grey shoes and holding a dagger covered in what seems to be dust and blood

On the right is what happened after the experiments, CORA is now a messy inky amalgamation esque looking thing, a sinister white smile that bears some similarities to the roaring knight, wiring on her arms and a whole furnace in her chest, bars cover the furnace as well as metallic rib like protrusions

Writing:
*Soul is now artificially powered within the furnace like core of her "body"

Info:
*I hold nothing but pure HATE for this MONSTER
*Death is MERCY, an ACT I have no intention of providing
*Seems to have a deep rooted hatred for monster kind.
*The experiments I have planned will serve a great purpose
*Her SOUL powers the CORE
*I've extracted EVERYTHING from her SOUL, every ounce of DETERMINATION and yet I kept her alive artificially.
*Her body melted abnormally similarly to the amalgamations, a shell of her former self.

Wing dings translations:

Left: ANTI MAGIC??
Middle: THE EXPERIMENT HAS AWAKENED
bottom left: NO NO NO NO NO

@sockmanrune.bsky.social Sep 27, 2026, 6:48 PM

#undertale
#undertaleart
#deltarune
#deltaruneart

@vanesa00x.bsky.social Sep 26, 2026, 7:52 PM

Re-posting my first pixel art. Edited as well!

#pixelart #undertaleart #chara #horrorart

Different variants!

May contain graphic violence

@4dayoldfryergrease.bsky.social Sep 26, 2026, 2:06 PM

#undertale #undertaleart #freshsans

@elthebat.bsky.social Sep 24, 2026, 6:22 AM

meant to post it yesterday for first day of the autumn but my puppy didn't let me finish this on time

Expect more of autumn Sanses in future
#sans #undertale #undertaleart #art

@rabiscando0coisas.bsky.social Sep 22, 2026, 11:40 PM

Four this time!

#undertale #undertaleart #undertalefanart #fanart #drawing #BRART

Unknown author Sep 22, 2026, 1:26 AM

A new Toriel I quickly made to test a few things out, but in the end, I didn't like it—neither the body nor the outfit—so I didn't continue with it xD

#toriel #furryart #furry #goat #momo #undertale #torielundertale #undertaleart #fanart

@akitaink.bsky.social Sep 18, 2026, 7:21 PM

Going to try doing a Daily drawing every day.. (again), but a few rules, it must have some color, and even if its bad ill post lol...

#muffet #undertalemuffet #undertaleart #undertale #fanart #art #digitalart #artist

@nebula128.bsky.social Sep 17, 2026, 6:59 PM

Happy Late 11th Undertale Day ❤️ (sorry it's really bad) #Drawing #Art #Artist #Artwork #DigitalArt #MsPaint #CharacterDesign #Illustration #Undertale #UndertaleFanArt #UT #UTFanArt #UndertaleArt #UTArt #Frisk #FanArt #Undertale11thAnniversary

Bad drawing of Frisk from Undertale saying "Go Frisk yourself".

@akitaink.bsky.social Sep 17, 2026, 7:01 AM

Daily drawing :P #muffet #undertale #undertaleart #fanart