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Abyss (Roblox)

Marcus Quest Chain Guide

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This is a guide for all of Marcus's quests in Abyss. Check out the walkthrough guides for Marcus's quests, as well as the rewards for all quests here!

Marcus's Quest Walkthrough







Equip the Radar

Using the Radar
When progressing through Marcus's Quests, you will need to catch fish with specific mutations. Make sure to buy the Radar from Richard in the Forgotten Dome to easily identify fish and their mutations.

Marcus's Quest 1

Catch Fish
Abyss (Roblox) PompanoPompano x6
Find Sand Mutated Fish x1
Best Tube Best Weapon
Abyss (Roblox) Boat TubeBoat Tube Abyss (Roblox) Crossbow GunCrossbow Gun

Upon arriving in Ancient Sands, it is recommended to save up until you get at least the Boat Tube and Crossbow Gun to comfortably farm within the area.

Marcus's Quest 2

Catch Fish
Abyss (Roblox) CodCod x6
Find and Open Sand Mutated Fish x2
Fish Bone x1
Best Tube Best Weapon
Abyss (Roblox) Boat TubeBoat Tube Abyss (Roblox) Crossbow GunCrossbow Gun

Cod is fairly easy to catch as it is abundant and does not require much power. Make sure to pick up treasure chests that pop up during the fishing minigame to pick up Fish Bones.

Marcus's Quest 3

Catch Fish
Abyss (Roblox) CodCod x4
Abyss (Roblox) PompanoPompano x5
Find and Open Cactus Mutated Fish x1
Best Tube Best Weapon
Abyss (Roblox) Boat TubeBoat Tube Abyss (Roblox) Crossbow GunCrossbow Gun

The fish needed are all still relatively simple to catch, just make sure you have enough Oxygen to go further out into the area for longer.

Marcus's Quest 4

Catch Fish
Abyss (Roblox) PompanoPompano x6
Find and Open Sand Mutated Fish x3
Fish Bone x2
Cactus Geode x3
Special Item Tier 1 Treasure Chests x10
Best Tube Best Weapon
Abyss (Roblox) Boat TubeBoat Tube Abyss (Roblox) Crossbow GunCrossbow Gun

Continue farming the local fish, and make sure to keep saving up money for gear upgrades.

Marcus's Quest 5

Catch Fish
Abyss (Roblox) GrouperGrouper x4
Abyss (Roblox) CodCod x6
Find and Open Fossil Mutated Fish x2
Special Item Tier 2 Treasure Chests x2
Best Tube Best Weapon
Abyss (Roblox) Boat TubeBoat Tube Abyss (Roblox) Crossbow GunCrossbow Gun

Grouper usually spawn further out within Ancient Sands, where Scorpionfish and Sharks may be lurking. Make sure to carry Oxygen Pods to refill your Oxygen when needed!

Marcus's Quest 6

Catch Fish
Abyss (Roblox) ScorpionfishScorpionfish x6
Abyss (Roblox) GrouperGrouper x5
Find and Open Cactus Mutated Fish x3
Fossil Mutated Fish x2
Fish Bone x6
Cactus Geodes x5
Best Tube Best Weapon
Abyss (Roblox) Boat TubeBoat Tube Abyss (Roblox) Wasted GunWasted Gun

It is recommended to get the Wasted Gun from Crazy Jeff's Shop to comfortably farm Scorpionfish and other stronger fish within the area.

Marcus Quest Location

Found in Ancient Sands


Overworld

Map Image

Swim all the way west from the Forbidden Dome down to the Ancient Sands area to meet Marcus before the big rock arch. You will need at least the Pufferfish Tube and some Oxygen Tanks to get there.

All Tubes List

Marcus Quests Overview

Quest Giver Location
MarcusMarcus Ancient Sands
Repeatable?
No
Objectives
Marcus's Quest 1:
• Catch 6 Pompano Fish
• 1 Sand-Mutated Fish
Marcus's Quest 2:
• Catch 6 Cod
• Catch 2 Sand-Mutated Fish
• Bring 1 Fish Bone
Marcus's Quest 3:
• Catch 3 Blackfin Tuna
• Catch 4 Cod
• Catch 5 Pompano
• Catch 1 Cactus-Mutated Fish
Marcus's Quest 4:
• Catch 6 Blackfin Tuna
• Catch 6 Pompano
• Catch 3 Sand-Mutated Fish
• Bring 2 Fish Bone
• Crack 3 Cactus Geode
• Find 10 Tier 1 Treasure Chests
Marcus's Quest 5:
• Catch 4 Grouper
• Catch 5 Blackfin Tuna
• Catch 6 Cod
• Catch 2 Fossil-Mutated
• Find 2 Tier 2 Treasure Chests
Marcus's Quest 6:
• Catch 4 Scorpionfish
• Catch 5 Grouper
• Catch 6 Blackfin Tuna
• Catch 3 Cactus-Mutated
• Catch 2 Fossil-Mutated Fish
• Bring 6 Fish Bone
• Crack 5 Cactus Geode

Marcus Quest Rewards

Quests Rewards
Marcus's Quest 1 • $1000
• 5 Star Shards
• Small Oxygen Pod x1
Marcus's Quest 2 • $1600
• 5 Star Shards
• Small Oxygen Pod x2
Marcus's Quest 3 • $2450
• 10 Star Shards
• Basic Oxygen Pod x1
• Cactus Geode x1
Marcus's Quest 4 • $3850
• 10 Star Shards
• Basic Oxygen Pod x2
• Speed Potion x1
Marcus's Quest 5 • $4450
• 15 Star Shards
• Small Oxygen Pod x4
• Drop Luck Potion x1
Marcus's Quest 6 • $7800
• 15 Star Shards
• Basic Oxygen Pod x4
• XP Potion x1
• Cactus Geode x1
• Burger x1

This is the list of rewards you can obtain after completing each quest from Marcus.

Abyss Related Guides

Quests Banner Slim

All Quests List

All Quest Guides

Scientist Scientist's Quest Kraken Kraken's Quest
Mr. Black Mr. Black's Quest Virelia Virelia's Quest
Marcus Marcus's Quest Diver Diver's Quest
Suspicious Fisher Suspicious Fisher's Quest Grumpy Hank Grumpy Hank's Quest
Isolde Isolde's Quest Isaac Isaac's Quest
Lumi Lumi's Quest Morveth Morveth's Quest
Victor Victor's Quest Golem Golem's Quest
Lost Captain Lost Captain's Quest Crab Crab's Quest
Abyss - King CatKing Cat's Quest -

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