You're playing a game of Bloody Mary, just on the off-chance she's cute and lonely.

Wow, you're good at this! As you repeat the chant for the third time, a delicious demonic entity shatters her way through your mirror and into the mortal world.

Skepticism of slumber party superstitions - CRUSHED!

"Who is this singular soul, that hath the power to free a sovereign of Hell from Mine eternal chains?"

The succubus studies you intently, her eyes widening in recognition.

"You. Of course. Who else could it be?"