Undertale hard mode Sans's first attack (fan-made) on Make a GIF

In Undertale how hard is the Sans battle? - Quora

1st sans attack on Make a GIF

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nothing useful. — Why doesn't sans use any of his crazy attacks

Undertale's two most common enemy attacks, blue and orange attacks, are based around a gimmick of moving or not moving, therefor being binary opppsites. Most enemies can only do either/or, but Asgore

Why didn't Sans just use a Gaster Blaster to break our fight button? Asgore did it with the mercy button. : r/Undertale

Steam Community :: Guide :: How To Be A Murderous Moster In Undertale!

Undertale hard mode Sans's first attack (fan-made) on Make a GIF

Hardmode Sans Starter Attack GIF - Hardmode sans starter attack - Discover & Share GIFs

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GIF) [Undertale] Sans' Final Attack by GrabThatBread on DeviantArt