You can press [X] to speed up Flowey's dialogue. If you want to create more advanced battles, see this example: https://scratch.mit.edu/projects/110483019/ README! Project might take a while to load. That's because there is a ton of music inside. A skeleTON. Making Undertale battles was never easier! Follow on-screen instructions to create your own battle in less than 15 minutes (if you are fast enough?) After creating your battle, simply click "remix" to save it!
I'd like to give a big thanks to FireEyes for making this battle, I would also like to thank CH3000 for making Undertale Battle Creator & a big thanks to Toby Fox for creating Undertale! It has been a while since I did any projects on Scratch and I wanted to make the playing as Sans experience bigger for you guys. I may do other battles where you play as other characters, but if you guys see a mistake then criticize me so I could fix that.