Spell casting is a dangerous skill according to most experts. They tell you to be cautious when doing even the simplest of spells.

Twilight knows this all too well. She has studied the side effects of spellcasting and what it can do, but what she is not aware of all the side effects and how they play on an user after being overexposed to its toxic radiation.

For Twilight, she opens up a new door to her life, one that she never thought existed. For Rarity, it opens another door, one that she wishes she never opened.