But things do not go as Bruno planned.
Marcy's Dragon, Elly, has been following them. And she arrives, planning to defend Marcy. But what happens is, when exposed to the moonlight, she molts, and takes on a new form.
Elly is one of the Märchen, ancient dragons from folktales.
Fairy tales are such bullshit.
So says our protagonist, right before she's mobbed by the paparazzi. She ignores them for a few moments, then dodges around a corner and uses a magic coin to open a glowing portal between the street cobbles.