General in UNDERTALE

Share your creations!
found this exists, and did this

[1 ITEM!] Undertale x Terraria twins fight (classic mode)
found out this exists yesterday, and decided to do thisvery fun fight and very balanced fightattack 5 sucks ;-;no items would be very hard, but i'll try itno...
https://www.youtube.com/watch?v=-Xqy9wWiJ3w
Ok I have some goofy names for Flowey's goofy Photoshop forms for each number of SOULs he'd have
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Delta Flowey: 1 SOUL (haha funny Deltarune joke)
Theta Flowey: 2 SOULs
Mu Flowey: 3 SOULs
Pi Flowey: 4 SOULs
Upsilon Flowey: 5 SOULs
Omega Flowey: 6 SOULs
Idea for an AU UNDERTALE "smilingtale"

SANS_FAILURE
(Takwa!ErrorError)
What flaws does UTY have story wise? Anything that I could possibly learn from? I want to learn from other’s mistakes so I thought: why not improve from the failures of others.