Secret Letter Clues Guide - Duet Night Abyss
In Duet Night Abyss, Secret Letter Clues are the primary currency for unlocking new characters, weapons, and Demon Wedges. You spend these clues to obtain Secret Letters, then use them in Covert Commissions to permanently add new assets to your roster. Knowing how to earn and manage clues efficiently is key to progressing smoothly.
Earning Secret Letter Clues
The fastest short-term way to...
