The Deep update in Fisch adds considerably more than a new underwater region. Its main progression is built around a lengthy questline that eventually leads to Scrapbot, a new companion that sits at the end of one of the update’s biggest grinds.
If you’re trying to unlock Scrapbot, knowing the correct quest order is important because several NPCs and activities become relevant only after you progress through the Survey Device storyline.
| Feature | Details |
|---|---|
| Game | Fisch |
| Platform | Roblox |
| Main progression | Deep Survey Device questline |
| Starting NPC | Cadet Shimmer Fininn |
| Main device | Survey Device |
| Initial version | MK1 |
| Upgrade | MK2 |
| Pillars required | 5 |
| Survey location | Gloomy Crevice |
| Important NPCs | Narius, Quartermaster, Shipwright Kyle, Curator Lyra, Vasper of the Deep, Tinkerer Oric |
| Final reward | Scrapbot |
| Estimated final grind | Up to 15 hours |
- How to start The Deep questline in Fisch Roblox
- How to upgrade the Survey Device from MK1 to MK2
- How to complete the Gloomy Crevice survey
- How to complete the Deep side quests
- How to unlock Scrapbot in Fisch
- How long does the Scrapbot grind take?
- Deep quest rewards at a glance
- What makes Scrapbot worth the grind?
- Should you rush Scrapbot in Fisch?
How to start The Deep questline in Fisch Roblox
The first step toward Scrapbot is finding Cadet Shimmer Fininn. Speaking with the Cadet starts the Deep-related storyline and gives you a broken device that becomes central to the rest of the progression.
Once you’ve received the device, make your way toward The Deep. This is where the questline shifts from a simple introduction into a proper exploration objective.

You will eventually meet Narius, who explains what needs to be done with the Survey Device. Your initial MK1 device isn’t powerful enough to complete the deeper survey work, so your next objective is upgrading it.
How to upgrade the Survey Device from MK1 to MK2
The first major progression challenge requires you to activate five pillars scattered throughout The Deep and Lower Deep.
Each pillar contributes toward upgrading your Survey Device. You’ll need to explore the underwater areas and locate all five before the device can be upgraded to MK2.
The pillar hunt is important because you cannot simply skip ahead to the later survey objective. Getting the MK2 Survey Device is the key progression gate for the next stage of the Deep questline.

How to activate all five pillars
- Begin the quest by speaking with Narius after entering The Deep with the broken device obtained from Cadet Shimmer Fininn.
- Explore the accessible areas of The Deep and look for the first pillar. Interact with it to activate it and register its progress toward the Survey Device upgrade.
- Continue deeper into the region and search for the remaining pillars. Some are positioned throughout The Deep while others require you to venture into the Lower Deep.
- Activate all five pillars. Keep track of your progress as you explore so you don’t waste time repeatedly checking locations you’ve already completed.
- Once all five pillars have been activated, return to the relevant progression point and obtain the upgraded MK2 Survey Device.
How to complete the Gloomy Crevice survey
With the MK2 Survey Device in your possession, the questline moves to Gloomy Crevice.
This is the next major objective in the main storyline. Travel to Gloomy Crevice and use the upgraded Survey Device to complete the required survey.

The Gloomy Crevice objective effectively concludes the initial Survey Device progression. Once you’ve completed it, the focus shifts toward the collection of side quests that eventually become necessary for Scrapbot.
Don’t treat the side quests as optional if your goal is Scrapbot. Although they aren’t all part of the initial Survey Device storyline, completing them is required before you can move into the final Scrapbot progression.
How to complete the Deep side quests
After completing the main survey objectives, several NPCs provide additional quests. These activities reward useful equipment, cosmetics and tools, while also contributing toward your eventual Scrapbot unlock.
Quartermaster’s battle and the Deep Commissionary Badge
The Quartermaster provides a battle-related challenge that rewards the Deep Commissionary Badge.
This is one of the shorter side objectives compared with the later Scrapbot grind, but it is still important to complete if you’re working toward the final companion.
The badge is essentially part of the broader checklist required to advance through the Deep’s endgame progression.

How to get the boat and submarine skin from Shipwright Kyle
Shipwright Kyle offers another side quest involving transportation-related rewards.
Completing Kyle’s objective gives you a boat and a submarine skin, adding cosmetic rewards to the Deep progression.
This quest is worth completing even if you’re primarily interested in Scrapbot because the side-quest chain contributes to the requirements needed to reach the final stage.
How to complete Curator Lyra’s location quests
Curator Lyra has a more extensive series of objectives than some of the other NPCs.
Her questline is divided into three stages, with each stage requiring you to visit specific locations.
The rewards include lanterns and titles, giving you additional cosmetic and utility items while you work through the Deep’s exploration content.

The important thing here is to complete all three stages rather than stopping after the first reward. The later stages are part of the larger side-content requirement leading toward Scrapbot.
How to get the Scalding Hook, Scouting Hook and Titanic Scaler
Vasper of the Deep is another major NPC to visit.
His questline provides three notable rewards:
| Reward | Source |
|---|---|
| Scalding Hook | Vasper of the Deep |
| Scouting Hook | Vasper of the Deep |
| Titanic Scaler | Vasper of the Deep |
These tools make Vasper’s questline one of the more substantial side activities in the Deep update.
As with the other NPCs, completing the entire chain matters if you’re working toward Scrapbot rather than simply collecting individual rewards.
How to unlock Scrapbot in Fisch
Once you’ve completed the main Survey Device storyline and finished the required side quests, your attention can finally turn toward Tinkerer Oric.
This is where the Scrapbot journey reaches its final stage.

Return to Tinkerer Oric after completing the necessary Deep content. Oric begins the final progression toward the Scrapbot companion, but this isn’t a quick reward.
Instead, you’re faced with what is essentially the biggest grind in the entire Deep questline.
How long does the Scrapbot grind take?
The final Scrapbot grind can reportedly take up to around 15 hours, depending on your efficiency, resources and how prepared you are before beginning the final stage.
That makes Scrapbot significantly different from a normal quest reward. You can complete the story objectives relatively quickly, but the final material requirements are designed to consume considerably more time.

If you’re starting the Deep specifically because you want Scrapbot, prepare for the grind rather than expecting the companion immediately after the survey quest.
The best approach is to gather materials and complete as much of the surrounding Deep content as possible before committing to the final grind. This prevents you from having to repeatedly backtrack between different objectives.
Deep quest rewards at a glance
| NPC / Activity | Main reward |
|---|---|
| Cadet Shimmer Fininn | Broken device / quest progression |
| Narius | Survey Device progression |
| Five Deep pillars | MK2 Survey Device |
| Gloomy Crevice survey | Main quest progression |
| Quartermaster | Deep Commissionary Badge |
| Shipwright Kyle | Boat + submarine skin |
| Curator Lyra | Lanterns + titles |
| Vasper of the Deep | Scalding Hook, Scouting Hook, Titanic Scaler |
| Tinkerer Oric | Scrapbot progression |
| Final grind | Scrapbot companion |
What makes Scrapbot worth the grind?
Scrapbot is positioned as the ultimate goal of this Deep quest chain, which is why the progression is considerably longer than a normal Fisch side quest.
The update essentially divides the experience into three phases: first you establish your Survey Device, then you complete the Deep’s supporting quests, and finally you commit to the lengthy grind required by Tinkerer Oric.
This structure also gives you plenty of reasons to explore the update before reaching the final reward. By the time you reach Oric, you should already have completed a large portion of the Deep’s content and collected several exclusive rewards.
The main consideration is simply whether you’re willing to invest the time. A potential 15-hour grind is substantial, especially if you’re only interested in the companion and don’t care about the other rewards.
Should you rush Scrapbot in Fisch?
If Scrapbot is your main objective, it’s better to follow the questline in order rather than randomly farming materials from the beginning.
Start with Cadet Shimmer Fininn, progress through Narius and the five pillars, complete the Gloomy Crevice survey, and then work through the required side quests. Once those are finished, Tinkerer Oric becomes the final destination.
The Deep update is therefore less about reaching one location and more about completing a long progression chain. The MK2 Survey Device opens the door, the side quests build your progression, and Tinkerer Oric starts the final Scrapbot grind.






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