At long last, Belle attempts her final trial to become a nomad. Confronted with a strange instrument, she must face her own doubts. Meanwhile, Adonis comes face-to-face with a chilling revelation. 
Even if I can't play the key,
،حتّى لو عجزت عن عزف المفتاح
Und sollte ich den Schlüssel
niemals spielen können,
Aunque no pueda tocar la llave,
Aunque no pueda tocar la llave,
Même si je ne parviens jamais
à jouer cette clé,
Se non riuscirò a suonare i tasti,
Mesmo se eu não puder tocar a chave,
А если ключ откажется меня слушаться —