Background Pony #09D1
The idea of past villains appearing from alternate dimensions where they were victorious is an interesting premise. Sort of like a multiverse war.
(please ask before using/ uploading to derpibooru please)
(Happens in a AU version)
When the villain of some old friends of sunset and Sci twi strike back and use their magic to rip them up into stick gum. They are ready to use their magic to get rid of sunset and twilight for ever.
( just so you all know I used my gummy sunset shimmer and Sci twi for this. I don’t no why. Again please ask before using/ uploading to derpibooru please.