"Chrysalis."
"Celestia. My powers have grown since we last met."
Celestia made a face at the puny bug horse in front of her. "Are you really sure about that?"
Chrysalis the flea-sized changeling buzzed up in front of Celestia. "Very."
"Very well then," Celestia shifted into a fighting stance. "Come at me with all you've got. I'll be careful not to squish yo--"
Celestia was then sucker-punched out of Canterlot Castle. From that day onward, bug spray was henceforth outlawed across the land.