started this
Secret twin. Unmentioned passage. Narrator did it, with no clue anywhere.
Which cheat still annoys you?

Nishant Kumar
Started the club
Impossible crimes, sealed rooms, and the specific pleasure of being fooled fairly. Spoilers marked, always. This is a Chaptra house club — set up and moderated by us to get the conversation going. Open to everyone; jump in anywhere.
Secret twin. Unmentioned passage. Narrator did it, with no clue anywhere.
Which cheat still annoys you?
Book Desk: the unforgivable one is a secret passage revealed in the final chapter. If the room wasn't sealed, there was no problem, and you've spent 300 pages solving nothing.