How to Complete the Project Mirror Labyrinth devyat quest and Unlock Delivery Bonuses

Master the Project Mirror Labyrinth devyat quest with our comprehensive walkthrough, builds, and strategies to unlock the +1 delivery reward.

Conquer the corridors of the labyrinth with efficiency. If you are looking to optimize your runs in this challenging deckbuilder roguelike, mastering the Project Mirror Labyrinth devyat quest is one of the most effective ways to boost your efficiency. Completing the Project Mirror Labyrinth devyat quest grants players a permanent utility upgrade that can completely change how you manage your resources during deep dungeon runs. In this guide, we will break down the exact requirements, reveal the best strategies to clear the challenges in record time, and explain how the rewards fit into your overall progression.

The Devyat Faction: Location and Rewards

The Devyat Association is known for its logistical supremacy and courier network. In the game, this translates directly to mechanics that allow players to manipulate resources, inventory, and stage navigation. To begin the questline, players must locate the Devyat Representative, who resides inside the Devyat building.

Completing this quest line awards the player "+1 delivery". In the context of the game's mechanics, delivery slots allow you to send items, cards, or healing supplies ahead to future floors. This safety net can save a run when facing difficult bosses or high-level abnormalities.

Faction Representative	Location	Quest Reward	Primary Mechanical Benefit
Devyat Representative	Inside the Devyat Building	+1 Delivery Slot	Allows sending/receiving items across dungeon floors

When attempting the Project Mirror Labyrinth devyat quest, it is highly recommended to unlock the Devyat building as early as possible. Having access to extra delivery slots makes subsequent dungeon runs significantly more forgiving, especially when trying to clear harder difficulties.

Detailed Step-by-Step Quest Walkthrough

The quest line given by the Devyat Representative is divided into three distinct phases. Unlike other faction quests that require hunting down specific abnormality tiers, the Devyat quest line focuses on efficiency, speed, and utilizing faction-specific passives.

Quest Step	Objective	Recommended Stage	Difficulty
Step 1	Beat any stage 2 times	Stage 1-1 or 1-2 (Normal)	Very Easy
Step 2	Activate Devyat Passive and beat any stage 2 times	Stage 1-3 or Stage 2-1	Medium
Step 3	Beat any stage in less than 20 turns	Stage 1-1 (Speedrun Build)	Hard

Step 1: Beat Any Stage 2 Times

This is the simplest part of the quest line. You can choose any stage you have already cleared. To save time, players often run the introductory stages of the first floor. These stages have low enemy health pools and simple mechanics, allowing you to complete this step in just a few minutes.

Step 2: Use the Devyat Passive and Beat Any Stage 2 Times

For this step, you must equip the Devyat passive in your character or deck loadout before entering the stage. The Devyat passive generally focuses on speed, card draw, or courier bonuses. Community reports suggest using a deck that thrives on high draw power to maximize the efficiency of the passive. You must clear a stage twice with this passive active to receive credit.

Step 3: Beat Any Stage in Less Than 20 Turns

This is where many players hit a wall. Beating a stage in under 20 turns requires a highly aggressive deck build. You cannot afford to play defensively or stall. Every turn must maximize damage output. Selecting a short stage with fewer encounters is the key to success here.

Speedrun Strategies: Clearing Stages in Under 20 Turns

To complete the final step of the Project Mirror Labyrinth devyat quest, you must optimize your deck for maximum damage per turn (DPT). Defensive archetypes, healing builds, and stall tactics will not work within the tight 20-turn limit. Instead, focus on burst damage, vulnerability debuffs, and card-draw engines.

Deck Archetype	Key Cards / Mechanics	Turn 1-5 Strategy	Best Against
Aggro Burst	High-impact single-target attacks	Cycle deck rapidly to find your highest damage multipliers.	Single-boss stages
Vulnerability Stack	Debuff cards that increase incoming damage	Apply vulnerability on turn 1, burst on turn 2.	High HP targets
Discard Draw	Discard mechanics that trigger bonus attacks	Empty your hand to trigger free attacks and passive damage.	Multi-enemy waves

According to player discussions on the Steam Community Hub for roguelike deckbuilders, keeping your deck size as small as possible is the best way to guarantee drawing your win conditions early. Consider visiting shops or events to remove weaker starting cards from your deck before attempting the speedrun challenge.

Comparing Faction Quests in the Labyrinth

To understand the value of the rewards associated with the Project Mirror Labyrinth devyat quest, it is helpful to compare it to the other major faction quests available in the game. Each faction offers a unique reward that caters to a different playstyle.

NPC	Location	Quest Line Requirements	Rewards	Best For
Devyat Representative	Devyat Building	Beat stages, use Devyat passive, clear under 20 turns	+1 Delivery	Resource management and item transport
Deici Librarian	Deici Library	Kill 10 enemies, beat 5 encounters, max 5 cards in deck	Condense and Fragments	Deck thinning and card upgrading
LCE Researcher	Hana Building	Kill Zayin, kill 5 Teth/He, kill 3 Waw abnormalities	Research Levels	Endgame progression and lore unlocks

While the Deici Librarian helps you refine your deck structure and the LCE Researcher unlocks endgame progression, the Devyat Representative provides immediate utility that helps you survive longer runs. Having an extra delivery slot allows you to store emergency healing items or powerful combat cards for boss fights.

Advanced Tips and Community Insights

When it comes to optimizing the Project Mirror Labyrinth devyat quest, player experience has revealed several shortcuts. For example, many players recommend combining the Deici Librarian's quest requirements with the Devyat quest. Because the Deici quest requires you to maintain a maximum of 5 cards in your deck, completing it naturally builds a hyper-thinned deck. You can then use this ultra-efficient 5-card deck to easily clear a stage in under 20 turns for the Devyat quest.

Additionally, community reports indicate that certain stage hazards and environmental buffs count toward your turn limit. Avoid stages with complex puzzle mechanics or phase-shifting bosses, as these animations and transitions can sometimes add artificial turns to your counter. Stick to straightforward combat encounters where you can burst down the enemy in a single turn.

Always double-check that your Devyat passive is active in the character screen before starting your runs for Step 2. It is a common mistake for players to clear stages only to realize they forgot to equip the passive, forcing them to redo the runs.

FAQ

Where do I find the Devyat Representative?

The Devyat Representative is located inside the Devyat building. You can access this building from the main map hub once you have cleared the introductory chapters of the labyrinth.

What does the +1 delivery reward actually do?

The +1 delivery reward grants you an additional delivery slot. This mechanic allows you to send items, equipment, or cards ahead to future floors of the labyrinth, making it easier to prepare for difficult boss encounters.

Can I complete the Project Mirror Labyrinth devyat quest on any difficulty?

Yes, you can complete the requirements on any difficulty setting. To save time and ensure you meet the under-20-turn requirement, it is highly recommended to run the quest tasks on the easiest available difficulty setting.

What is the easiest stage to clear in under 20 turns?

Most players recommend Stage 1-1 or Stage 1-2. These early stages feature enemies with low health pools and straightforward attack patterns, allowing you to secure quick kills and easily beat the turn limit.