When someone says that as a comeback, just remind that that parallel version of them isn’t really them but a different person entirely, and no matter how successful there counterpart is they are still a failure. Then just sit back and watch the denial crumble
or do you mean the univese where ‘Nightmare Moon’ was a rebellion led by Luna to bring democrocy to Equestria and was quashed under Celestia’s iron hooves?
or the one where a spell turns Spike into a young adult and marries all of the mane 6 into his ‘herd’ and knocks them all up?
You mean the universe where Nightmare Moon won the battle with Celestia, and eventually took on Twilight as a student; grooming her to take on the role of the Element of Magic to defeat Celestia the Tyrant sun on the thousandth year?
That alternate universe? Or the one where everypony is called Steve?
You mean Universe 18742-c subuniverse 8?
Nah. Spike sucks there too.
How about an universe where humans comic book characters are ponies in the MLP universe.
You mean Cartuneslover’s home dimension?
or the one where a spell turns Spike into a young adult and marries all of the mane 6 into his ‘herd’ and knocks them all up?
That alternate universe? Or the one where everypony is called Steve?