For players diving into Duet Night Abyss, focusing on efficient farming strategies is essential for progression. If your goal is to gather Luno Memento coins for skill enhancements, weapon forging at Lunosmith, blueprint dupe farming, or pushing your Trial Rank beyond 60 in the Huaxu: The Wind Awakening expansion, this guide is your go-to resource. It emphasizes a straightforward, no-frills farming method, free from gacha dependencies, centered purely on maximizing farm efficiency.

Recent updates, particularly after the 1.1 patch in December 2025, have significantly improved open-field defense mechanics, making certain runs more lucrative. The optimal setup involves a defense level 50 map with a defense 2 configuration—characterized by a large, open environment. This setup allows for AFK solo farming with minimal interference, as enemy spawns are predictable and waves clear rapidly—each wave lasting about a minute.

The core strategy involves repeatedly running this defense setup, yielding approximately 180-200 Luno Memento every 10 to 12 minutes with moderate investment, scaling up to over 200-250 for dedicated players, which translates to an easy 1,000 to 1,500+ coins per hour. Community consensus on Reddit and YouTube confirms this method’s effectiveness, with popular characters like Psyche, Lynn, and Rhythm leading the charge through blitz tactics.

This farming method is particularly vital for progressing in Duet Night Abyss, especially since it remains a no-resin, unlimited farm environment by Pan Studio and Hero Games. Key applications of the coins include:

• Upgrading skills across all characters, with a maximum of 1,464 skill points available per character (e.g., Rhythm's spam skills).
• Forging and duping weapons using Lunosmith blueprints, each requiring over 300 craft points.
• Acquiring traits, forming, and ascensions, especially for high Trial Ranks and Theater Act 12 echoes.
• Long-term utility items like smelts and other resources, which require millions of coins over time.

Prior to the 1.1 update, farming focused heavily on maze and excavation runs. Post-update, the defense 50-2 strategy dominates, providing a seamless, one-wave-per-minute clear rate. This method has earned the nickname “AFK goldmine” among the community, with base yields exceeding 432 coins per hour and optimized runs reaching over 900 coins per hour without manual intervention.

In summary, mastering this defense setup offers a reliable, high-yield farming experience, supporting various progression paths in Duet Night Abyss.

Achieving efficient farming in Duet Night Abyss requires understanding key strategies and optimal setups.

A quick math breakdown shows that earning approximately 150 units in just nine minutes translates to over 1,000 units per hour.

Adding in boxy procs can boost this profit by an extra 20-50 units per run, pushing total gains above 1,200.

Completing bounty missions (40 per run in roughly 8 minutes co-op) is also part of the efficient farming cycle.

Prerequisites to unlock defense level 50 include reaching trial ranks between 50 and 60, with the main storyline progressing through the sanctuary or lunosmith chapters 1 and beyond.

Note: Solo play reduces efficiency by about half, so co-op is highly recommended.

To initiate the process, navigate to the commissions tab and select the defense tab, ensuring your level is above 50 to unlock Defense 2, especially after the 1.1 spawn buff update.

Open field maps are crucial; retry wave 1 when rng conditions aren’t favorable (roughly a 10-20% chance for success, with about 30 seconds per attempt).

Positioning is vital:

• Use the center stand for circular swarm scenarios, maximizing AoE damage.
• Automate wave clearing to take roughly one minute per wave.
• Retreat at targeted points, focusing on basic waves (6 waves) and whale waves (12+).

Repeat this cycle consistently for optimal results.

For manual control, prioritize blue units on waves 3 and 6 to boost speed by about 20%.

Testing the rhythm involves finishing wave 6 in under 6 minutes to collect 100 luno, with scaled runs aiming for under 5 minutes.

Open-field battles favor AoE and ranged gods; melee setups are less effective here.

Top-tier (1-tap meta) characters include:

• Rhythm (electro damage dealer): purple wedges, one-taps enemies, inspired by wings +5.
• Rebecca (hydro summon): great for spawn-killing alongside Lynn.
• Lynn (pyro scythe): capable of clearing 6 waves in 5 minutes with high skill damage.

Supporting characters enhance efficiency:

• Fosu and Fina provide powerful buffs for clearing waves.
• Alternative options include Tabitha, Truffle, and Filbert for additional support.

A solid rhythm build at trial level 50 involves:

• Purple wedges (wings inspiration +10 preferred).
• Two introns.
• One duplicate weapon.
• Skipping prime morale to conserve globules.

Progression path:

• Use gold +7-10 investments to reach wave 12.
• Purple units scale at approximately 120 units per 9-minute run; combined with gold duplicates, yields over 200 units in 10 minutes.
• Boxy procs further amplify gains, adding 20-50 units per run.

Handling RNG mishaps:

• If map conditions are poor, retry wave 1.
• Utilize an AFK phone multitasking approach for efficiency.
• Focus on wave targets: levels 6-8 for basic waves, 10+ for whale waves.

Estimated hourly income:

• Six waves every 6 minutes generate about 1,000 units, which can increase to approximately 1,200 with procs and over 1,800+ with whale boosts.

Avoid less efficient methods like co-op (which slows down progress) and Defense 3, as they offer similar drops but reduce overall throughput.

For newcomers, starting with a defense level of around 40 is recommended to get comfortable with the gameplay. Experienced players often combine this with Psyche 3-wave spam strategies to optimize their farming efficiency.

If you encounter immobile mobs, check if you're on the correct map and try again to continue smoothly.

To handle slow waves, it’s best to assign a dedicated farmer, aiming for one per minute to maximize productivity.

Low drop rates can be addressed by ensuring you have the necessary boxes and manuals; otherwise, consider manual farming to improve yields.

If you experience burnout, try multitasking with AFK strategies, such as farming in Huaxu region or using Fushu and Yuming for free-farming, coupled with defense buffs. Keep an eye on the r/duetnightabyssdna community for updates and tweaks. Alternatively, farm Mystic Maze coins and trade for Luno paths to diversify your resources.

A reliable farming spot involves waves that automatically melt enemies and Luno rains, maintaining a steady rhythm of around 1,000 resources per hour. Dedicated whales can push this to 1,500+ per hour. Always prioritize investing in farmers first, as this will prepare your arsenal for upcoming weapon dupes.

Regularly test your drop yields—if they fall below expectations, farm more, experiment with different builds, and turn on bells for alerts. Remember to keep a peaceful mindset and have fun.

For beginners, focus on lower defense and develop a rhythmic build around Lynn to progress steadily.

In co-op play, solo runs tend to outperform random groups, with solo still being the preferred method as of December 2025.

Stay tuned for upcoming guides on Psyche builds, highlighting the E spam meta that’s currently dominating the scene.

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