What to know
- Covert Commissions unlock after finishing the side quest “Go, Geniemons!”.
- They let you target rewards like characters, weapons, and Demon Wedges using Secret Letters.
- Missions rotate hourly and scale starting from level 40 difficulty.
- They have no stamina or currency cost, allowing unlimited runs.
You unlock Covert Commissions by completing a side quest called "Go, Geniemons!" Once unlocked, these missions appear under the Combat menu with a dedicated Covert tab, and you can also purchase Secret Letters in the Covert Commissions section of the Shop.
Quick Overview of Covert Commissions
| Feature | Details |
|---|---|
| Covert commissions | Unlocked by completing the side quest "Go, Geniemons!". Enables targeted farming for characters, weapons, and Demon Wedges. No stamina cost, missions rotate hourly, and difficulty scales from level 40. |
| Secret letters | Unlocked by exchanging 10 Secret Letter Clues in the shop. Used to select rewards in Covert Commissions. Clues are earned from quests, commissions, and achievements. |
| Rewards | Choose from three options after completing missions. Rewards include Thoughts, blueprints, and upgrade materials, all tied to the chosen Secret Letter. |
How to unlock Covert Commissions
To unlock Covert Commissions, you need to progress through the main story and side quests until you reach and complete “Go, Geniemons!”
Afterward, the Covert tab appears in the Combat menu and the Covert Commissions shop becomes available.

How Covert Commissions work
Select a Secret Letter before starting a mission; each letter corresponds to a character, weapon, or Demon Wedge.

Complete the mission, then choose one reward from three options specific to that Secret Letter's reward pool.

Missions rotate their objectives every hour but always reward based on the selected Secret Letter. There is no stamina or currency cost, so you can repeat runs as often as you like.

How to get Secret Letters
You obtain Secret Letters by exchanging Secret Letter Clues earned through:
- Daily quests and commissions.
- Clearing levels such as Nocturnal Echoes and Mystic Maze.
- Rewards from various quests and achievements.
- Demon Wedge Caskets and trial ranks.
Ten Secret Letter Clues are needed to exchange for one Secret Letter, which you then slot in Covert Commissions to hunt specific rewards.
This system lets you farm characters, weapons, and Demon Wedges without relying on randomness or gacha mechanics. You always work toward a clear goal—such as gathering Thoughts to unlock a character or blueprints for gear—making progression predictable and time-based.
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