Here comes Napstablook.
I made a tutorial for this engine!
http://scratchtale.orgfree.com/
I'll update it with the latest version of the battle engine tommorow...
Actually no, because it would be harder than I thought.
Updated. Now endings work like they should. Also, added act 3 (threaten)
https://scratch.mit.edu/projects/103631713/ - Papyrus genocide fight. (contains spoilers (I guess))
Thanks to Toby Fox, the creator of undertale.
Also, thanks to undertale wikia and anyone who contributed to it.
And, thanks to reddit user Cialio for posting how is the damage calculated.
May lag in fullscreen.
1600 views 0_o
2000?!
3000 wow