“Truly, gentlemen readers, I assure you that if Gabriel does not help the poor World, I do not know what will come of it, unless it be nothing but perplexity, anguish, and desolation.”
The hint
Count from the far end of the alphabet.
The cipher
19 · 22 · 9 · 26 · 15 · 23
— Richard Roussat · Livre de l'estat et mutation des temps · 1550
Enter this door
Your email to attempt the solve. One win per solver across the run.