The Krtek

}} The Krtek (Czech: Ker-tek) or The Mole is the mole in the Academy that secretly works for Chaota. In Book 3, its official identity is revealed to be Brooke Winslet.

Book 1
Towards the end of Book 1, there are rumours going around that there is a mole in the Academy. The eight primes are notified of the situation, but warned not to tell anyone. However, Brooke lets slip to Mia and Moose, but luckily no one finds out.

Book 1 ends with Arcadia Syrene, Mia, Moose, and Brooke getting a Skype request from someone who calls themself 'The Krtek', which Moose soon finds out means 'The Mole'. Brooke convinces everyone that it is a prank, and that they shouldn't accept. However, out of curiosity, Arcadia accepts the friend request