Gaster Blaster at Starbound Nexus - Mods and community

Sans/In Battle, Undertale Wiki

Boss Guide - Undertale Guide - IGN

My first time choosing that dialogue option, and I was treated to an incredibly wholesome scene : r/Undertale

Sans' Boss Fight - Genocide Route (Undertale) - Dialogue Script

Sans - I really hope the dialogue from the post above is actually dialogue from an Undertale sequel he's working on. I was not hoping for an UT sequel, mostly because

Sans fight dialogue - - 3D Warehouse

Yes the dialogue is custom - Imgflip

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

Undertale Genocide run explained: How to play the game in the most

A friend challenged me to disprove the sans can only beat you