Once Human: Black Sector Zone Of Haze Dungeon Guide

Once Human: Black Sector Zone Of Haze Dungeon Guide

Quick Links

  • Dungeon Location And Core Mechanics
  • Journey To The First Checkpoint: The Orderkeeper
  • Cross The Sloping Hall
  • The Second Checkpoint, The Scorcher
  • The Final Checkpoint
  • The Final Boss

As a seasoned adventurer who has traversed the most treacherous of terrains and faced the fiercest of beasts, I can confidently say that the dungeon you speak of is one for the history books. The puzzles it presents are as challenging as they are intriguing, and the final boss battle will test even the bravest of souls.


As a dedicated fan, I find that many Once Human gamers take pleasure in leisurely play, constructing homes, and delving into Rift anchors to uncover tranquil settlements. Yet, some of us thrive on challenges and opt for fine-tuning our weapons to conquer the toughest dungeons singlehandedly.

Once the Pro Dungeons become accessible, all your equipment, weaponry, and character setup get thoroughly evaluated. The Black Sector Zone of Haze Pro Dungeon serves as a prime example; here, you must simultaneously combat waves of adversaries and accomplish various tasks.

Although the Black Sector Dungeon isn’t overly physically demanding, its mechanisms can be challenging to navigate, resulting in extended times for completing the dungeon.

As someone who has run the Black Sector more than 200 times, maybe even more, I’ve compiled tips and tricks in this guide to help you easily clear the toughest Dungeon in the Way of Winter. With that said, let’s go over the Black sector and what it entails.

Dungeon Location And Core Mechanics

Once Human: Black Sector Zone Of Haze Dungeon Guide

The Dungeon can be found close to the rim of Vena Fjord – Frost Forge Bay, specifically at the coordinates (-3007,4765). It’s quite noticeable due to its distinctive symbol, which bears a striking resemblance to the LEA Research Institute’s emblem from the Manibus storyline.

To reach the closest checkpoint, you should first open its lock and then proceed towards it. However, be cautious in the entry zone as Rosetta Personnel may attack you immediately. Therefore, before activating the Black Sector, I advise taking some time to clear out the area to minimize potential team HP loss on the menu screen.

In this experiment, it’s noticeably less challenging than the LEA lab from the Manibus simulation, but be mindful of the concepts and vocabulary you’ll need to recall.

MechanicDescription
Glow Points/PillarsUp to four columns marked with triangle symbols, activating audio cues for purifying Shadow Corrosion when nearby.
GlowballsGlowing orbs used to dispel Shadow Corrosion stacks or activate Glow Points/Pillars to reveal Lambent marks.
Lambent MarkSymbols atop the Pillars, named Hourglass/Time, Circle/Football, Square/Diamond/Rhombus, and Crescent Moon/Half-Moon.
Shadow CorrosionDebuffs termed as Darkness stacks, causing HP and Sanity loss at 10 stacks when away from Pillars.
Enduring LambentA buff granted near Pillars, providing immunity to Shadow Corrosion, dispelling debuffs, and restoring HP and sanity.

Initially, it might seem daunting. But don’t worry, I suggest you start with a few initial challenges to get accustomed to the system. The rest of Black Sector is structured around these mechanics and it’s not nearly as challenging as the Manibus’ LEA Research Institute lab.

Journey To The First Checkpoint: The Orderkeeper

As soon as you enter the Dungeon, you’ll encounter a puzzle right away with two pillars standing nearby. You need to match the symbols displayed on the circular ring in the proper sequence to unlock the path leading to the first boss, who goes by the name of Orderkeeper. In simpler terms, you should align the symbols correctly on the ring to progress through the Dungeon and face the Orderkeeper.

Instead of employing Area-of-Effect (AoE) abilities or weaponry to eliminate the symbols, consider focusing on each one individually to maintain the sequence’s integrity, as a wide-ranging blast may inadvertently disrupt others nearby.

After going through the initial barrier, Shadow corrosion build-ups will gradually amass on you. These can be removed by positioning yourself close to the Pillars or by grabbing a light orb, tossing it at your feet, and acquiring the Enduring Lambent enhancement.

Be sure to keep a steady speed here, as Shadow Corrosion Stacks could end your life in just a few moments. It would be wise to steer clear of enemies since they’re not particularly challenging. Stay close to the nearest Glowpoint to recharge yourself, then make your next move.

Here are two routes leading to Glowpoint. The quicker option is the safer choice, but beware, a misstep could lead to a fatal fall.

Once Human: Black Sector Zone Of Haze Dungeon Guide

Once you’ve regained your Health Points (HP) and Sanity, make your way towards the closest Glowpoint near the Orderkeeper. Then, stand within the range of the Glowpoint and defeat the Orderkeeper.

Instead of concentrating solely on the Orderkeeper due to its freezing ability that leaves you exposed to mobs, consider prioritizing your actions. If you accumulate Shadow Corrosion stacks, gather the Glowballs and toss them onto the ground to regenerate your health as a countermeasure.

When you get to the final station, the barrier becomes active, allowing you to enter the next room with a challenge.

Cross The Sloping Hall

Once Human: Black Sector Zone Of Haze Dungeon Guide

Here, you need to awaken the hidden Glow points or Pillars to uncover the Lambent symbols. The most effective method to gather Glowballs is by defeating the Rainfall reaper and then tossing it at the pillars to unveil the Lambent symbols.

You only need to throw the Glowball once at the pillar. Retriggering it doesn’t change the symbol

Here, the arrangement of the pillars remains consistent, meaning the center one is always first, the second is positioned on the left, and the last one stands on the right. Once you correctly hit the targets in this set sequence, the path to the next boss, as well as the treasure chest, will become visible.

A few deviations may spawn beside it, and you may choose to use a controller for the chest.

Once Human: Black Sector Zone Of Haze Dungeon Guide

As you stride along the inclined corridor heading towards the next section, you’ll encounter a Mirror Deviant that deflects your gunfire; fire at it, then wait patiently until it emerges from the mirror so you can defeat it.

A powerful burst of status damage (Frost, Power Surge) can instantly kill the mirror Deviant.

The Second Checkpoint, The Scorcher

Once Human: Black Sector Zone Of Haze Dungeon Guide

In this locale, the fights will prove tough as you’ll need to engage four key aspects simultaneously, all whilst battling groups of enemies. A mystical emblem serves as a protective barrier for the primary adversary; you’ll have to solve the riddle to dismantle that barrier.

Once Human: Black Sector Zone Of Haze Dungeon Guide

Here, the arrangement of the pillars remains unchanged. Since they’re currently inactive, you’ll have to throw Glowballs at them to expose the symbols or markings.

To acquire the Glowballs, defeat the small fireballs (mini-scorchers). Once you do this, light up all the pillars by activating them. Keep in mind that not every Lambent symbol will become apparent at the start.

Once Human: Black Sector Zone Of Haze Dungeon Guide

To uncover the hidden marks and fire in the proper sequence, you need to engage with the central round area located right in the middle of the arena.

Upon solving the puzzle, I find that Scorcher’s emblematic shield vanishes, making it possible for me to deal a fatal blow. If not, it remains invulnerable to harm.

Typically, the sequence of symbols around the circular ring isn’t randomized, meaning you always need to aim for the upper symbol and move in a clockwise direction. Once you defeat the Scorcher, a chest containing some Deviations will appear.

Finally, take the elevator to pass through the next area to the main arena.

Once Human: Black Sector Zone Of Haze Dungeon Guide

As I traverse this section of the game, you’ll notice some pillars here and there, but don’t worry about solving any puzzles related to them. Instead, stay vigilant with your Shadow Corrosion stacks. Make use of Glow points or Glowballs to ward off any negative effects and continue moving forward towards the Secret Servitor’s puzzle room.

The Final Checkpoint

Once Human: Black Sector Zone Of Haze Dungeon Guide

If one of your teammates isn’t present, they will instantly be transported to the supervisor’s office within five seconds. Therefore, it’s advisable to assign one individual as the group leader who can initiate the scene that transports others when exploring the dungeon.

In the climactic fight against the final boss, there are two intricate puzzles you need to solve in order to lower its defense. Upon entering the battlefield, you’ll notice Glowpoints/pillars scattered around, one of these being hidden under the bridge that leads towards where the boss appears.

Once Human: Black Sector Zone Of Haze Dungeon Guide

Instead, the symbols aren’t arranged in a circle that’s visible; rather, they are positioned close to the Secret Service agents’ duplicates.

Once you’ve reduced the boss’s shield by draining two bars, shift your attention to the pillars and eliminate the clones in the appropriate sequence.

Keep a close eye on your boss’s swift punch, as it has the potential to render you unconscious. However, this is the one move you should focus on avoiding, as the others can generally be endured.

During this stage, you’ll avoid accumulating Shadow Corrosion levels, and by staying close to the Glowpoints, you’ll receive the Enduring Lambent boost. The ultimate showdown commences after you’ve correctly eliminated the duplicates in their specified sequence.

The Final Boss

Once Human: Black Sector Zone Of Haze Dungeon Guide

After a brief moment, you’ll find yourself transported to the final battlefield against the boss, where you’ll encounter both mobs and the boss at once. I suggest keeping your finger poised on the spacebar for easy navigation towards the closest pillar as leaving Glowpoint’s range may result in Shadow Corrosion stacking on you.

When you lower its height, you’ll decrease the boss’s vitality to half. Once it reaches this point, it’ll acquire a protective seal, making it invulnerable to any further harm.

In this case, the tasks prove to be the trickiest due to the fact that the arrangement and signs of the pillars shift during each stage, accompanied by rotating hoops. However, the actions you performed in the earlier regions need to be repeated here.

Once Human: Black Sector Zone Of Haze Dungeon Guide

Arrange the Lambent symbols in the right sequence and fire at the circular target. But be aware that this time, the boss is protected by a shield that restores itself periodically.

To weaken the boss and halt its regeneration, you must first figure out the puzzle. This will grant you a brief 30-second window during which you can inflict damage on the boss.

I recommend using weapons with the highest enhancement rating to deal the maximum damage possible.

Don’t fret! If you can’t finish the time attack, you have the option to go through three stages instead. Once this is done, the boss won’t restore its shield. But if you want to vanquish the boss swiftly, it’s crucial to solve the puzzle as fast as possible.

Ultimately, with the boss defeated victoriously, the last treasure chest appears, and all the remaining adversaries disappear.

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2024-11-21 19:40