★ Tier Lists: Characters | Weapons | Geniemons
★ Builds: Fina | Lynn | Psyche | Lady Nifle | Rebecca
★ Versions: Rainbow-Coloured Dream | Version 1.1
★ How to Get Characters | Mystic Maze | Redeem Codes
★ All Character Weapons | Siren's Kiss | Pyrothirst
★ On a Gentle Breeze | Dead or Alive | Judgment Day

Get Secret Letter Clues in Duet Night Abyss (DNA) by completing tasks, doing commissions, and more. See how to get Secret Letter Clue, how to farm it, as well as how to use it!
| Secret Letter and Secret Letter Clues Guides | ||
|---|---|---|
| Secret Letters Guide | How to Get and Use Secret Letter Clue | |
List of Contents
| How to Get Secret Letter Clues |
|---|

You can earn free Secret Letter Clues by increasing your Trial Rank, which can be accomplished via completing quests, commissions, and exploring the overworld. You can increase your Trial Rank up Lv. 65 and get various rewards.
Trial EXP Farm: How to Raise Trial Rank Fast

Completing a goal in the Day Planner Begginer's Guide rewards players with Secret Letter Clues. These goals consist of different objectives like completing quests, opening a number of chests in the overworld, leveling up, and more!

Main Quests and various Side Quests give Secret Letter Clues as rewards upon completion.

Completing various in-game achievements rewards you with free Secret Letter Clues. However, take that not all achievements will reward you with Secret Letter Clues.

Collect Archive and Atlasium entries to claim Secret Letter Clues as rewards.
The Archive contains information entries on items, enemies, weapons, readables, and characters. While the Atlasium contains entries related to Duet Night Abyss's story and world.

Complete quests and objectives in the Demon Wedge Casket to receive Secret Letter Clues rewards. These quests and objectives mostly involve collecting and upgrading your Demon Wedges.
There are also chances to receive additional Secret Letter Clues after finishing each Phase of the objectives.

Completing a Commission domain for the first time rewards Secret Letter Clues in addition to the domain rewards. However, take note it does not yield as much Secret Letter Clues compared to other methods.

Certain events give out Secret Letter Clues as rewads for completing their related objectives. Be sure to participate as soon as an event becomes available, as some are only available for a limited time.
List of All Events and Schedule

The Immersive Theatre is a unique combat game where you can get over 200+ Secret Letter Clue as part of its rewards.

Secret Letter Clues can be used in the Covert Commissions Shop to purchase Secret Letters for Characters, Weapons, and Demon Wedges.

Duet Night Abyss Wiki Top Page
| Main Links Partial | |
|---|---|
Latest News |
Tier Lists |
Characters |
Tips and Tricks |
Commissions |
Bosses |
Weapons |
Quests |
Myriad (Gacha) |
Events |
Cosmetics |
Message Boards |
Geniemon |
Enemies |
Items |
Demon Wedges |
How to Get and Use Secret Letter Clue

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