In the bustling, chaotic world of New Eridu, where Proxies constantly battle the enigmatic Ethereals within The Hollow, even the most seasoned Agents need a change of pace. What could be a better diversion than helping a mysterious Inter-Knot user test a quirky, coin-collecting robot named Dadd-E? This is precisely the charming, mind-bending break offered by the Experiencing Dadd-E commission, a high-difficulty puzzle challenge that emerges after the intense events of Chapter Two. It’s not just a simple side activity; it’s a test of spatial reasoning where your movements dictate the path of a loyal, mimicking machine. Your mission? To guide both yourself and your robotic shadow through mirrored yet divergent maps, collecting enough Gear Coins to satisfy the evaluator, Fairy. But is this seemingly silly task as straightforward as it appears, or does it hide layers of strategic complexity worthy of a top-tier Proxy?

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Unlocking the Robotic Challenge

The gateway to this peculiar mission opens during the Chapter Two Intermission. Upon reaching this story milestone, a keen-eyed Proxy will find the Experiencing Dadd-E commission listed on the Inter-Knot board. Marked as a high-difficulty commission with a recommended Agent level of 34, it’s not for the faint of heart. Once accepted, your trusty Knock Knock app will buzz with a message from the mysterious YourAverageSlacker, kicking off the adventure. After this cryptic conversation concludes, the commission becomes accessible through the HDD (Hollow Deep Dive) system, ready to transport you into its unique puzzle domain.

Gearing Up for the Unknown

Before diving into the maze-like floors, a wise Proxy prepares for all possibilities. The Experiencing Dadd-E commission includes a round of combat, but here’s the twist: the enemies generated for combat are always random. This means there is no universally recommended team composition. Your best strategy? Take whatever team you are most comfortable with! Whether you rely on brute force, elemental reactions, or swift evasion, familiarity with your Agents' abilities will be your greatest asset. After all, how can you predict an enemy that changes every time?

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Upon entering The Hollow, Fairy, your evaluator, explains the rules. There are six test sites, labeled Floors 88 through 93. The arena is split into two sections: yours and Dadd-E's. Your movements are mirrored by the little robot on its side of the map... but with a crucial deviation after the first floor. From Floor 89 onward, your map and Dadd-E's map will vary, meaning the robot cannot replicate your path exactly. The core objective is to navigate your side so that both you and Dadd-E collect at least 3,000 Gear Coins on each floor. Success on all floors yields the highest rank and rewards.

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Here is the optimal movement sequence for each floor to ensure both you and Dadd-E collect the required coins. Think of it as a dance where you lead, and your robotic partner follows a similar, but not identical, choreography.

Floor Optimal Movement Sequence (Directions) Key Note
88 Right, Right, Down, Down, Left, Left, Down, Down, Right, Right The tutorial floor. Maps are identical, so Dadd-E copies you perfectly.
89 Down, Down, Right, Left, Down, Up, Up, Up, Right, Right, Down, Down, Down, Down, Left, Left The variance begins! Planning for two paths is key.
90 Down, Down, Right, Right, Down, Up, Left, Left, Up, Up, Right, Right, Down, Down, Down, Down, Left, Left Patterns become more complex. Patience is a virtue.
91 Down, Down, Right, Right, Up, Up, Left, Right, Down, Down, Down, Down, Left, Right, Up, Up, Up, Up, Down, Down, Down, Down, Left, Left One of the trickiest layouts. Every move must be deliberate.
92 Down, Down, Right, Right, Left, Left, Up, Up, Right, Right, Down, Down, Up, Up, Left, Left, Right, Right, Down, Down, Down, Down, Left, Left A long sequence that tests your memory and foresight.
93 Right, Right, Down, Down, Left, Left, Right, Right, Down, Down, Left, Left The final puzzle before the combat trial.

The Combat Interlude: Random Waves of Ethereals

After successfully navigating the sixth floor, the calm of puzzle-solving shatters as you are entered into combat. This segment consists of three waves of lesser Ethereals. The first wave occurs in your starting area, while the next two require you to move to a secondary location.

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The crucial thing to remember is that this combat is random every time. You cannot pre-plan for specific enemies. However, a smart tactic is to save your Ultimates and most powerful abilities for the final rounds. Why? Because later waves spawn more Ethereals and have a higher chance of spawning more powerful variants. Managing your resources and adapting to the random enemy composition is the final skill test of this commission.

Reaping the Rewards: Performance-Based Loot

Once the last Ethereal falls, you’re returned to a special Loot Floor. Here, Fairy appears to evaluate your performance. Your final rank—and your rewards—are based on one simple metric: how many floors you successfully paid 3,000 Gear Coins on.

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Before claiming your prize, make a clockwise circle around the screens on your half of the map. This collects all Hollow Observation Data sets and loot boxes. Step on the "glowing Z" tile to officially complete the commission and exit the HDD.

Your performance directly translates into tangible rewards:

  • B-Rank: No reward. A clear indication to try again!

  • A-Rank (3 or more floors paid): Normal supply boxes x2.

  • S-Rank (all 6 floors paid): Super supply boxes x2, Normal supply boxes x2.

The Spoils of Victory

Completing the Experiencing Dadd-E commission is highly rewarding, offering resources crucial for Agent progression in 2025. For your efforts, you will receive:

🎁 Primary Rewards:

  • 30 Polychromes (The premium currency for pulls and resources)

  • Eight Official Investigator Logs (Vital for high-level Agent EXP)

  • Eight Trainee Investigator Logs (Great for leveling newer Agents)

  • Four W-Engine Power Supplies (Enhance your agents' signature weapons)

  • Four W-Engine Batteries (More fuel for W-Engine upgrades)

  • Two Bangboo Algorithm Modules (Key for boosting your Bangboo companions)

💰 Additional In-HDD Earnings:

  • 22,600 Dennies (The in-game currency picked up during the run)

  • 550 Inter-Knot Experience (Boosts your overall account level)

So, is the Experiencing Dadd-E commission worth the effort? Absolutely. It masterfully blends a relaxing, cerebral puzzle with the adrenaline of unpredictable combat, all wrapped up in a charming robotic narrative. It serves as a perfect example of Zenless Zone Zero's diverse gameplay, offering a refreshing break from the main story while generously rewarding players who enjoy a good mental challenge. Will you master the mirrored maze and lead Dadd-E to a perfect S-rank completion? The Hollow awaits your strategic command.