
Mateo Rivas knows how to read miniatures and parlor ciphers, but the crystal ring points to a secret Noa never told him.
Mateo can read the ring, but asks Noa to stop hiding the surname that appears in the cipher.
More discoveries

Hugo Soria recognizes the crystal ring's cipher and knows which secret surname can break Noa Estévez.

Hugo Soria buys forbidden manuscripts before banning them, and the black invitation allows him to dance with his next victim.

Typecutter and clandestine corrector, Adrian Lobo knows the marks left by ink, fear, and betrayal.

Proof corrector and falsifier in a clandestine printing house, Noa Estévez reads outstrikings like others read confessions.