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Abyss (Roblox)
How to Get and Use Ancient Key
Redeem your Abyss Codes (February 2026) here!
★ Update: Sunken Wilds, Progression Guide, Tier List
★ Lists: Fish, Guns, Tubes, Races, Artifacts
★ Interactive Map: Ducks, Treasure Chests, NPC
★ Best Guns, Best Tubes, Best Artifact, Best Race
Ancient Key is an item you can get in Abyss (Roblox). See the Ancient Key's details, including how to get it and how to use it here!
List of Contents
How to Get Ancient Key
Obtained from Marcus and Grumpy Hank Questline
Completing Marcus Quest 5 and Grumpy Hunk Quest 4 will reward you with the Ancient Key, giving you two in total.
 Marcus Quest Guide |
 Grumpy Hank Quest Guide |
How to Use Ancient Key
Used to Unlock Fish Ruins
The Ancient Key can be used to unlock the Fish Ruins located in Ancient Sands.
All Ancient Sands Fish Ruins
| Overworld View | Details |
|---|---|
  |
Region: Ancient Sands Found on top of a rock formation near the entrance of Ancient Sands. |
  |
Region: Ancient Sands Found hidden in a rock formation farther south of Ancient Sands. |
Ancient Key Item Information
Ancient Key Inventory Details
| Ancient Key Details | |
|---|---|
 Ancient Key |
|
| Item Type | Miscellaneous |
| Effect | Used to Unlock Fish Ruins. |
Unlocks the Fish Ruins in the Ancient Sand.
Abyss Related Guides
List of Miscellaneous Items
| All Miscellaneous Items |
Ancient Key |
|
|---|---|---|
All Abyss (Roblox) Items
| All Items in Abyss (Roblox) | ||
|---|---|---|
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How to Get and Use Ancient Key
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