All Hidden Quests in Abyss Roblox (June 2026)
Abyss Roblox features numerous secret quests and hidden NPCs that most players miss entirely. From Morveth’s Treasure Gun questline to the challenging Duck Collector challenge, these hidden activities provide exclusive rewards, unique artifacts, and substantial progression advantages. This comprehensive guide reveals every secret quest, their locations, requirements, and valuable rewards to help you unlock 100% of Abyss’s hidden content.
Quick Reference: All Secret Quests Overview
| Secret Quest | Location | Level Requirement | Main Reward |
|---|---|---|---|
| Morveth’s Quest Chain | Hidden Cave (Forgotten Deep) | Level 5-20 | Morveth’s Treasure Gun |
| Duck Collector Quest | Secret Door (Behind David’s Shop) | Any | Access to Secret Area |
| Lost Captain Quest Chain | Shipwreck (East of Forgotten Deep) | Level 35+ | Pirate Key + Angler Cave Access |
| King Cat’s Quest | Spirit Roots Crevice | High Level | King’s Fortune (10% Cash Bonus) |
| Scientist’s Teleporter Quest | Forgotten Dome Hub | Early Game | Fast Travel System |
| Hidden Spirit Roots NPC | Under Spirit Root Caves | Mid Game | Secret Room Access |
| Luis (Temple NPC) | Temple of the Abyss | Endgame | Unknown Rewards |
Morveth’s Quest Chain: The Treasure Gun Secret
Location: Hidden cave at the far north edge of Forgotten Deep. Access via Zepline or Boat Tube through waterfall entrances.
Contents
Morveth represents one of Abyss’s most valuable secret questlines, rewarding players with the powerful Morveth’s Treasure Gun. This hidden NPC offers four progressively challenging quests focused on catching mutated fish.
Quest 1: First Monolith
- Requirements: Reach Level 5, catch 2 Coral-Mutated Fish
- Locations: Coral mutations found throughout Forgotten Deep
- Rewards: $750, 10 Star Shards, Small Oxygen Pod x3, Ruby Rune x1
Quest 2: Deeper Shade
- Requirements: Reach Level 10, catch 3 Metal-Mutated Fish
- Locations: Metal mutations in Forgotten Deep and Ancient Sands
- Rewards: $1,250, 20 Star Shards, Basic Oxygen Pod x2, Drop Luck Potion x1
Quest 3: Whispers of the Dark
- Requirements: Reach Level 15, catch 3 Albino-Mutated Fish
- Locations: Albino mutations throughout the map (rarer than previous types)
- Rewards: $2,150, 30 Star Shards, Advanced Oxygen Pod x2, Small Oxygen Pod x3, XP Potion x1, Ruby Rune x1
Quest 4: The Final Monolith
- Requirements: Reach Level 20, catch 4 Transparent-Mutated Fish
- Locations: Transparent mutations everywhere, use Radar for assistance
- Rewards: $3,000, 40 Star Shards, Heavy Oxygen Pod x1, Basic Oxygen Pod x3, Strength Potion x1, Ruby Rune x1
Pro Tip: Use your Radar ($250 from Richard) to easily spot transparent and other hard-to-see mutated fish.
Duck Collector Quest: The 15 Duck Challenge
Starting Location: Behind David’s Tubes stand, jump in water, find secret door in rock formation, knock persistently until Bob the NPC responds.
The Duck Collector quest requires finding all 15 rubber ducks scattered across Abyss’s biomes. This extensive scavenger hunt unlocks access to a secret area and valuable rewards.
Complete Duck Locations List:
Forgotten Dome (3 ducks):
- Inside blue shipping container near Billy and Portable Stash
- In tree branches behind developer table near harpoon vendor
- On rock formation overlooking Forgotten Dome from Virelia’s direction
Ocean Area (3 ducks): 4. Behind hill near Diver NPC with submarine 5. Southeast corner of map, near Lost Captain’s area 6. Next to waterfall behind Tier 2 Chest in Morveth’s Cave
Morveth’s Cave Area (2 ducks): 7. Next to Tier 2 Chest overlooking Morveth’s Cave 8. Between pond and entrance with flowing water, climb wall
Ancient Sands (3 ducks): 9. Next to Grumpy Hank’s Couch (240m deep, need Boat Tube) 10. Inside cave at far southwest edge of Ancient Sands 11. Behind Crazy Jeff (240m deep, need Boat Tube)
Spirit Roots (3 ducks): 12. Behind Victor 13. Closed-off area near edge of Spirit Roots 14. Beside Golem inside Spirit Roots cave (access via tunnel left of safety area)
Angler Cave (1 duck): 15. Behind the Lightkeeper in Angler Cave (requires Lost Captain quest completion)
Important: Angler Cave access requires completing the Lost Captain’s quest chain to unlock the gate behind his ship.
Lost Captain Quest Chain: Ghost Ship Mysteries
Location: Far east of Forgotten Deep, requires Zepline or Oxy Tube for safe access
The Lost Captain offers the most extensive secret questline in Abyss, consisting of four challenging quests that unlock the exclusive Angler Cave area and provide substantial rewards.
Quest 1: Initial Requirements
- Requirements: Level 35, $10,000 cash
- Rewards: $15,000, 30 Star Shards, Basic Oxygen Pods x2, Speed Potions x2, XP Potion x1
Quest 2: Forgotten Deep Challenges
- Requirements: Ancient Shark x1, Bigmouthfish x3, Cavefish x6, Shark x10, Coral-Mutated x10, Transparent-Mutated x5, 55 Treasure Chests
- Rewards: $25,000, 45 Star Shards, Advanced Oxygen Pod x4, Drop Luck Potion x2, XP Potion x1, Strength Potion x1
Quest 3: Ancient Sands Mastery
- Requirements: Whale Meat x2, Eyefish x3, Hammer Shark x6, Sailfish x10, Negative-Mutated x6, Neon-Mutated x3, 20 Geodes, 70 Treasure Chests
- Rewards: $35,000, 55 Star Shards, Advanced Oxygen Pod x2, Basic Oxygen Pod x4, XP Potion x1, Strength Potion x1
Quest 4: Ocean Depths Challenge
- Requirements: Bluefin Tuna x3, Blobfish x15, Piranha x20, Seahorse x10, Metal-Mutated x10, Albino-Mutated x8, Ultraviolet-Mutated x5, Shadow-Mutated x3, 30 Geodes, 85 Treasure Chests
- Rewards: $60,000, 75 Star Shards, Heavy Oxygen Pod x2, Advanced Oxygen Pod x4, XP Potion x2, Strength Potion x2, Drop Luck Potion x2, Pirate Key x1
Critical Reward: The Pirate Key from Quest 4 unlocks special areas and content, making this questline essential for completionists.
King Cat’s Quest: The Ultimate Endgame Challenge
Location: Spirit Roots crevice area, accessed from Lumi’s Shop path to open area, entrance on right side hidden by rocks. Press into top-left part of wall to glitch into King Cat’s lair.
King Cat represents Abyss’s most demanding secret quest, designed for high-level players with significant resources.
Quest Requirements:
- Angelic-Mutated Fish x3
- Golden-Mutated Fish x20
- Bluefin Tuna x3
- Bigmouthfish x5
- Blackfin Tuna x20
- Jellyfish x20
- Crack 20 Geodes
- $100,000 Cash
Recommended Equipment:
- Tube: Oxy Tube (from Lumi)
- Weapon: Magroot Gun (from Lumi)
Reward: King’s Fortune
The King’s Fortune artifact provides a 10% cash bonus passive, making it one of the most valuable items for money farming in Abyss. This permanent bonus significantly accelerates wealth accumulation for all future activities.
Scientist’s Teleporter Quest: Unlock Fast Travel
Location: Scientist NPC next to portable restroom near Henry’s Harpoon Shop in Forgotten Dome
This essential early-game secret quest unlocks Abyss’s teleportation system, dramatically improving navigation efficiency.
Required Items and Locations:
- Toilet Paper: Under table with three developers (left of Henry, the gun merchant). The table features three game developers sitting around it.
- Toilet: Behind massive tree next to Richard’s stand (Bestiary NPC with cowboy hat and glasses). Look for a blue, semi-buried toilet with seat up.
- Power Relays: Between two wooden boxes on platform next to Billy’s storage container (right of scientists, leaning against blue container).
- Door: Leaning against wall of shed on right side of David’s Tube shop, behind the Pufferfish Tube, next to blue-and-white lifebuoy.
Completion:
Return to the porta-potty and talk to the Scientist to activate the Teleporter. This enables fast travel between different zones, saving significant time on progression.
Additional Secret Content
Hidden Spirit Roots NPC
Location: Underneath Spirit Root Caves. Clip through wall covered with leaves containing treasure chest, then head further to reveal secret room.
Luis – Temple of the Abyss
Location: Top of Temple of the Abyss. Luis is a secret NPC with the same appearance as Kennard, offering unique endgame content and rewards.
Secret Areas and Locations
- Angler Cave: Unlocked via Lost Captain quest completion
- Temple of the Abyss: Endgame location with Luis NPC
- Secret Room: Under Spirit Root Caves via leaf-covered wall
- King Cat’s Lair: Hidden in Spirit Roots crevice
Pro Tips for Secret Quest Success
Early Game Strategy
- Complete Scientist’s Quest first – Fast travel is invaluable for all other activities
- Buy Radar immediately ($450 from Richard) – Essential for spotting mutated fish
- Store valuable fish in Billy’s Bank – Prevent loss during difficult quests
Mid Game Optimization
- Skip Fire Tube and Advanced Gun – Save money for better equipment
- Use Tube Boost sparingly – It drains oxygen rapidly
- Complete Morveth’s quests early – Treasure Gun provides excellent mid-game power
Late Game Mastery
- Stack cash bonuses – Combine King’s Fortune with other cash-boosting artifacts
- Server hop for rare fish – Especially effective for Whale Meat and Bluefin Tuna
- Optimize mutation hunting – Use Radar and know specific biome locations
Community Resources and Official Links
Official Resources
- Official Discord: Join the Abyss Discord community for real-time discussions, updates, and player assistance
- Roblox Game Page: Abyss on Roblox for official updates and server information
Community Resources
- Reddit Community: r/AbyssRoblox for player guides, discussions, and troubleshooting
- Game Wiki: Comprehensive Abyss Wiki for detailed reference information
Frequently Asked Questions
How do I access secret quests in Abyss?
Most secret quests require finding hidden NPCs or accessing concealed areas. Start with the Scientist’s Teleporter Quest behind David’s shop, then progress to Morveth’s cave (north Forgotten Deep) and the Duck Collector challenge.
What level should I be for secret quests?
- Scientist’s Quest: Early game (any level)
- Morveth’s Quest: Level 5-20 progression
- Duck Collector: Any level (but requires exploration)
- Lost Captain: Level 35+ (challenging)
- King Cat: High level with significant resources
What’s the most valuable secret quest reward?
King’s Fortune from the King Cat quest provides a permanent 10% cash bonus, making it the most valuable long-term reward. The Pirate Key from Lost Captain Quest 4 is also extremely valuable for accessing exclusive content.
How do I find mutated fish easily?
Use the Radar from Richard ($250) to spot fish stats, mutations, HP, and rarity. Different mutations appear in specific biomes – Coral in Forgotten Deep, Metal in Ancient Sands/Forgotten Deep, etc.
Can I complete secret quests in any order?
While technically possible, recommended progression is: Scientist’s Quest → Morveth’s Quest → Duck Collector → Lost Captain → King Cat. This follows difficulty and level requirements logically.
What equipment do I need for endgame secret quests?
For King Cat and late Lost Captain quests: Oxy Tube, Magroot Gun, and substantial oxygen supplies. The Lost Spirit Tube and Lost Spirit Gun are optimal for Lost Captain quests.
How do I access the Temple of the Abyss?
The Temple of the Abyss is an endgame location containing Luis NPC. Access requirements and methods are still being discovered by the community.
Are secret quests repeatable?
No, major secret quests from Morveth, Lost Captain, and King Cat are one-time completions. However, some activities like treasure chest hunting and fishing can be repeated for ongoing rewards.
What happens if I die during a secret quest?
Store valuable quest items and fish in Billy’s Bank before attempting dangerous quests. Some quest progress may be lost on death, so save frequently and use safe zones.
How often are new secret quests added?
Deep Spirit Games regularly updates Abyss with new content. Follow official Discord and social media for announcements about new secret quests and hidden content.
