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Complete Sunken Wilds Guide for Roblox Abyss – NPCs, Quests, & More

Here's a complete guide on everything you can do in the Sunken Wilds Biome!

Roblox Abyss expanded its underwater world with the newly added Sunken Wilds Biome, a jungle-themed sub-biome located right of the Spirit Roots. Sunken Wilds has multiple NPCs, new questlines, exclusive gear like the Banana Gun and Banana Tube, and a late-game Jungle Protector known as King Monkey. So, here's a complete guide on everything newly added on Sunken Wilds and all the rewards you can get here.

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How to Get Banana Gun & Tube in Abyss

Banana Gun and Tube in Abyss
Image by Pro Game Guides

The Banana Gun and Banana Tube are the newly added gear in the Sunken Wilds area, and are a must for catching most fish in this area. These are sold by Builder Monkey inside Monkey King’s Lair in Sunken Wilds.

These items are powerful mid-to-late-game upgrades, and here is how much they will cost you to get them:

  1. Banana Tube costs 310,000 Cash.
  2. Banana Gun costs 240,000 Cash.

How to Complete Arthur's Quest in Sunken Wilds

Arthur in Abyss
Image by Pro Game Guides

Arthur’s quest, titled Stolen Gear, requires you to retrieve three stolen items from Thief Monkeys scattered across Sunken Wilds. You need to first complete the following questlines:

Thief Monkey 1 - Tube Negotiation

The first quest you need to complete is from the Thief Monkey 1 NPC. It is located across from Arthur on a rock. You need to give these items to complete this quest:

  • 2 Banana-Mutated Discus
  • 3 Discus
  • 2 Banana

Reward: Arthur’s Tube

Thief Monkey 2 - Bag Trade

The second quest you need to complete is from the Thief Monkey 2 NPC. It is located opposite the cave entrance leading to Builder Monkey. You need to give these items to complete this quest:

  • 2 Banana-Mutated Trout
  • 8 Discus
  • 4 Banana

Reward: Arthur’s Backpack

Thief Monkey 3 - Harpoon Trade

The third quest you need to complete is from the Thief Monkey 3 NPC. It is located on a branch near Builder Monkey’s cave. You need to give these items to complete this quest:

  • 3 Banana-Mutated Tambaqui
  • 12 Tambaqui
  • 6 Banana

Reward: Arthur’s Harpoon

Once all three items are collected, return to Arthur and complete the quest. You will have to go to Arthur and submit the gear, and you'll get these rewards:

  • $10,000
  • 50 Star Shards
  • 3 Advanced Oxygen Pods
  • 1 Speed Potion
  • 1 Sunken Key (Used to access the Sunken Liar)

How to Reach King Monkey in Abyss

Builder Monkey in Abyss
Image by Pro Game Guides

The King Monkey NPC is located beyond a gap inside Monkey King’s Lair. To cross it, you need to complete Builder Monkey’s three construction quests. The Builder Monkey is an NPC located in the Sunken Wilds area:

Quest NameRequirementsRewards
Laying the GroundworkCatch 8x Discus
Bring 2x Banana-Mutated Fish
+ $4,000
+ 15 Star Shards
+ 3 Basic Oxygen Pods
Reinforcing the StructureCatch 6x Trout
Catch 6x Discus
Catch 3x Banana-Mutated Fish
+ $7,000
+ 25 Star Shards
+ 2 Basic Oxygen Pods
+ 1 Drop Luck Potion
Final AssemblyCatch 5x Tambaqui
Catch 8x Trout
Bring 2x Banana
Catch 1x Grounded-Mutated Fish
+ $11,500
+ 35 Star Shards
+ 2 Advanced Oxygen Pods
+ 1 XP Potion
+ Bridge to King Monkey [IMPORTANT]

How to Complete King Monkey Questline in Abyss

King Monkey in Abyss Roblox
Image by Pro Game Guides

King Monkey, the Jungle Protector, has one of the longest questlines in Sunken Wilds. His missions are currently one of the most difficult and rewarding in the game. Here's a complete breakdown of the quest as well as the rewards you can get.

Quest NameRequirementsRewards
Feast for the TribeCatch 10x Discus
Catch 7x Trout
Catch 5x Tambaqui
Bring 3x Banana
+ $9,500
+ 10 Star Shards
+ 3 Basic Oxygen Pods
A Bigger MealCatch 5x Sea Turtle
Catch 7x Tambaqui
Catch 12x Trout
Catch 4x Banana-Mutated Fish
Crack 3x Coconut Geodes
+ $17,500
+ 20 Star Shards
+ 3 Advanced Oxygen Pods
+ 1 Drop Luck Potion
+ 1 Coconut Geode
Piranha ProblemCatch 6x Piranha
Catch 6x Sea Turtle
Catch 12x Tambaqui
Bring 5x Banana
Catch 3x Grounded-Mutated Fish
+ $25,000
+ 30 Star Shards
+ 1 Heavy Oxygen Pod
+ 4 Basic Oxygen Pods
+ 1 Speed Potion
Better CatchCatch 3x Toucan Fish
Catch 6x Piranha
Catch 10x Trout
Catch 15x Discus
Bring 5x Banana
Catch 8x Banana-Mutated Fish
Crack 6x Coconut Geodes
+ $38,500
+ 40 Star Shards
+ 4 Advanced Oxygen Pods
+ 2 Coconut Geodes
+ 1 Strength Potion
Prime HuntCatch 3x Jaguar Shark
Catch 6x Toucan Fish
Catch 6x Sea Turtle
Catch 12x Tambaqui
Catch 5x Banana-Mutated Fish
Catch 5x Grounded-Mutated Fish
Crack 9x Coconut Geodes
+ $55,000
+ 50 Star Shards
+ 6 Basic Oxygen Pods
+ 1 XP Potion
+ 1 Drop Luck Potion
Serious PreparationsCollect 3x Mosasaurus Meat
Catch 6x Jaguar Shark
Catch 8x Toucan Fish
Catch 10x Sea Turtle
Catch 15x Trout
Catch 2x Jade-Mutated Fish
Catch 7x Grounded-Mutated Fish
Bring 8x Banana
Crack 12x Coconut Geodes
+ $90,000
+ 65 Star Shards
+ 2 Heavy Oxygen Pods
+ 8 Basic Oxygen Pods
+ 2 Speed Potions
+ 1 Drop Luck Potion
+ 4 Coconut Geodes
Final StepCollect 2x Mosasaurus Head
Collect 6x Mosasaurus Meat
Catch 9x Jaguar Shark
Catch 12x Toucan Fish
Catch 14x Sea Turtle
Catch 20x Tambaqui
Catch 4x Jade-Mutated Fish
Catch 10x Grounded-Mutated Fish
TBA

Frequently Asked Questions (FAQs)

Where is Sunken Wilds located?

Sunken Wilds is a jungle-themed sub-biome within Spirit Roots. Located towards the right, at a depth of around 300m.

Do I need to complete Arthur’s quest before King Monkey?

No, but both questlines provide valuable rewards and progression tools.

How do I cross the gap in Monkey King’s Lair?

Complete Builder Monkey’s Final Assembly quest to build the bridge.

Are Mosasaurus parts required for full completion?

Yes. Late King Monkey quests require Mosasaurus Meat and Mosasaurus Heads, making it one of the later game quests.

For more on Roblox Abyss, check out All Fish in Sunken Wilds (100% Bestiary) – Roblox Abyss or How to Get Fish Bone in Abyss – Roblox on Pro Game Guides!

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About the Author

Sudhanyo Chatterjee has nearly six years of writing experience, with four focused on the gaming industry. He specializes in RPGs, strategy games, and mobile game guides. His favorite titles include the Diablo series and strategy staples like Total War and Age of Empires.