Two Fire Crystals are located in the neck of a dragon and enable it to breathe fire. These were the objects of Babydoll
's quest for fire for her escape plan
Muscles inside a dragon's throat strike the crystals together, generating the initial spark that ignites the creature's breath.
The crystals can be removed intact and they retain their ability to generate an awe-inspiring flame when struck against each other.
Babydoll and Rocket slew a baby dragon and removed its crystals. In the brothel reality, Amber stole the Mayor's gold-plated lighter, giving the team the fire it needed for Babydoll's escape plan.