Harry Potter author and Fantastic Beasts screenwriter J.K. Rowling has a lot to say following the release of the final trailer for The Crimes of Grindelwald.

Rowling shot down a popular fan theory and responded to everyone’s excitement over Claudia Kim playing Nagini, Voldemort’s snake who one day kills Snape (and who is later killed by Neville):

She also offered some interesting details concerning Nagini and what it means to be a Maledictus:

She also addressed the drama going on between Dumbledore and Grindelwald:

And a little bit about Grindelwald:

And then there was this total tease about Credence:

Yay fun times!