How to get Secret Letters in Duet Night Abyss

Secret Letter in Duet Night Abyss is an item needed to challenge Covert Commissions and obtain rewards, which then can be used to get new characters, weapons, and Demon Wedges. There are multiple ways to obtain Secret Letters in the game. This includes completing regular commissions and challenging the dungeon game modes.This article will provide a simple guide on how to obtain Secret Letters and use them in Duet Night Abyss.Duet Night Abyss: How to obtain Secret Letters1) Complete Daily Commissions and QuestsComplete daily activities (Image via Pan Studio)The most common way to get Secret Letters in DNA is to complete Daily Commissions and Daily Quests to obtain Secret Letter Clues. Next, you can go to the in-game shop to exchange the clues for your desired Secret Letters. These can be Secret Letters for new characters, weapons, or Demon Wedges.2) Challenge Nocturnal Echoes for Character and Weapon Secret LettersNocturnal Echoes is one of the three endgame modes in DNA. You can complete this challenge to obtain Secret Letters for any character and weapon in the game.Also check out: How to get new characters in DNA3) Challenge Immersive Theatre for new characters and weaponsGet new Character and Weapon Secret Letters from Immersive Theatre (Image via Pan Studio)Unlike Nocturnal Echoes, the Immersive Theatre game mode only drops Secret Letters for the new characters and weapons in Duet Night Abyss for a limited time. For example, if Psyche is a new character, her Secret Letters will be available in the Immersive Theatre until the next new character is released.4) Challenge Mystic Maze Rogue-like challenge to obtain Secret Letters for certain characters (Image via Pan Studio)Mystic Maze is a rogue-like game mode that provides Secret Letter for certain characters. As of this writing, you can complete the challenge to obtain Thoughts and Secret Letters for Lisbell.Also check out: DNA Beginner tips and tricks5) Achievements, Atlasium, and ArchivesFill entries in Atlasium (Image via Pan Studio)You can also get a lot of Secret Letter Clues by unlocking achievements and various entries in the Atlasium and Archives. However, the number of clues you can obtain from these sources is limited.How to use Secret Letters in Duet Night AbyssBuy a specific Secret LetterExchange Secret Letter Clues (Image via Pan Studio)After you've obtained enough Secret Letters Clues, go to the Covert Commissions section in the in-game Shop and exchange a Secret Letter for your desired character, weapon, or Demon Wedge.Challenge Covert CommissionsAccept Covert Commissions (Image via Pan Studio)Exit the Shop and go to the Combat section in the main menu. Next, open Covert Commissions in the Commissions tab and select one of the challenges depending on what you want to get.Also read: All Duet Night Abyss characters and voice actorsSelect the rewardSelect your reward (Image via Pan Studio)Before you start the challenge, you must select the Secret Letter of the character, weapon, or the Demon Wedge you wish to get. For example, to unlock Randy permanently, you must choose his Secret Letter to obtain his Thoughts as a reward.Once you've collected 30 Thoughts, you can open the Armoury and unlock Randy through Reminiscence. Check out our other Duet Night Abyss articles:DNA redeem codesDNA gacha system explainedAll DNA 1.0 launch eventsAll DNA errors and their fixesDNA Geniemon system explained