ERROR 404 /Butterfly404 Normal mode Completed! [Undertale AU] (Sans/William)

[@Da-scottish-boi]

WHT butterfly 404 throws planets instead using energy shield?

[@KAATERR32]

because he is that powerful

[@guineverereede5230]

is energy sphere not shield plus he is a multiversal god

[@ralphvelez4133]

It’s a energy sphere. Not a shield, and those are AU’s or multiverses.

[@Da-scottish-boi]

@@ralphvelez4133 oh okay

[@Torkanne-the-OG]

I mean he’s the god of the multiverse ;-;

[@Pickle_Joe_2]

I guess he wont add a final update for Error666 anyway...

[@Pigybank_1]

What about butterfly 666

[@Nitram197R]

Glitch time trio ahhhh hell NAAAAA ☠️🥶

[@угу-в7е]

Ya know error 404 need error for 666 error

[@Pickle_Joe_2]

@@угу-в7е i know that lol

[@w.a.l.a.b.i.404]

PERFECTBUTTERFLY404

[@gnixreal]

Butterfly 404 reminds me of Hecatia's fight, but cranked up to 21

[@xp-youtube9987]

Wich Au this frisk/chara from?
**Congrats on beating him!**👍🎉

[@ethernal1646]

This is a vast understatement

[@Mr.ERroR607]

How do you make this? Like seriously I need to know

[@arandompersonontheinternet8684]

We are slowly entering the Touhou territory

[@Straightplayz]

What is the butterfly 404 phase 2 music called?

[@VeronikaQuast]

Whats the theme of the Phase 1 called?

[@tyriquehill3939]

Idk

[@riethereaper]

BSOD. It's by N/A Music (It was originally incorrectly credited to birdsarecoollmao, who was the commissioner of the theme).

[@VeronikaQuast]

Ty

[@guineverereede5230]

what happened to butterfly 404 at the end?

[@guineverereede5230]

i mean what just happen to 404 after the hit?is he dead?

[@vladimirtiffany]

butterfly 404 probably tanked it because otherwise you woulden't have had to run away

[@Ris_120]

Bro if i fight Error 404 im fuc- 💀

[@Pigybank_1]

Cool video

[@arandomidot4571]

U should do sansational illness fr

[@Swordguy300]

absolute pro gamer

[@Staff-Studios]

Will you add more forms
Like P404( aka perfect404)

[@S2ouze]

PB404 (PERFECT BUTTERFLY 404), CONDUIT OF BANCE (ERROR 404)

[@voidgaming3175]

I think normal and butterfly is enough

[@tyriquehill3939]

Yo you should add a secret to error 404 if you get all endings you fight virus 404 like if you agree MAYBE TRUE PABLO NEYHEHEHEHEHE

[@Dongquan2828]

Hope we won't see god 404 💀

[@OtocolobusPManul]

cool :D

[@conneredmondson4047]

Despite the touhou-like bullet hell, this is surprisingly well-made.
What's next, Infected sans? (Joke)

[@SomeoneCalledKoi2]

Wtf.
Who let all of u cook?????