Nightmaring

Nightmaring: Bottling up your rage/fear/sadness/regret/etc. to the point where you explode, doing something that you would never normally do.

Luna, in becoming Nightmare Moon, was one of the first recorded examples of Nightmaring

by Clear Quill August 06, 2011

Sparkling

Sparkling: Unleashing a part of yourself that you normally keep contained

When the sonic rainboom reached Canterlot, Twilight started Sparkling.

by Clear Quill August 06, 2011