Noé learns Naenia took Chloé's true name. Chloé's past and the d'Apchiers' history come to light, including her friendship with Jeanne, the Alteration Engine, and Ruthven's friendship with Chloé, which he shattered by trying to take the engine research.
aka the Clockwork Fiend Marquis Machina.
المُلقّب بمهووس السّاعات الماركيز ماكينا
alias el marqués Machina,
el demonio de la relojería.
alias el marqués Machina,
el diablo de los mecanismos.
altrimenti chiamato 
"marchese Machina, l'invasato dei macchinari".