"Ooh! Ooh, it's happening!" Flurry Heart gasped as her flank began to glow. "What's my cutie mark going to be?"
A light bulb unceremoniously appeared there.
~~20 years later~~
"NO! BRIGHTER!" Flurry Heart screeched.
What followed was a flash of light from the Crystal Empire bright enough to blind ponies even down in Ponyville.