Princess Twilight Sparkle faces an enemy that has no body to fight, no ideology to overcome, no evil scheme to thwart. She faces a problem with no ideal solution. What would you do in her horse-shoes?

Set in TCB Not Just Ponies setting:
https://tvtropes.org/pmwiki/pmwiki.php/Fanfic/TheConversionBureauNotJustPonies

Thanks to Godzillawolf for edits. https://www.fimfiction.net/user/32141/Godzillawolf