At Area 4, go underneath the area and use the left Inkrail. Then use the Geyser and jump to the center platform leading to the boss kettle. There is an Inkrail leading to Mission 20.
|Area||Enemies||Armor||Special Weapon||Sunken Scroll|
|Beginning||1x Elite Octoling
|1x Piece of Armor||1x Bomb Rush||N/A|
|Checkpoint 1||2x Octoling||N/A||N/A||N/A|
|Checkpoint 2||1x Octoling||N/A||1x Inkzooka
|Final Checkpoint||1x Octoling
1x Elite Octoling
|1x Piece of Armor||N/A||Yes|
|“||Squid Squad's new album, Fresh Kids, takes their trademark squidcore sound to a whole new level! Critics call it 'an aural buffet of squidiosyncratic psychedelicacy!' The perfect theme for any Turf War! On sale now!"||”|
— Sunken Scroll 20
Location: At the final checkpoint under the grated ramp just ahead of the inkrail. Get to the far Northern part of the map from spawn. Directly in front of the Inkrail leading up to the Zapfish is a grate ramp. Go through it in squid form and find the scroll at the bottom.
Location of Armor 1: The first Armor piece can be found in the Beginning after taking on a small group of Octolings. A crate can be found on the Right side on the area.
Location of Armor 2: Making it to the last Checkpoint, Use the Inkrail to go to the other side to find a Filled Crate. The Crate holds the last piece of Armor.
Location of Bomb Rush: In the far left area of the Beginning, a small crate holds a Bomb Rush Special.
Location of Bubbler: If Agent 3 is about to advance to the Final Checkpoint, there can be a Bubbler Special found in front of the ramp grate. There is a small crate that holds a Bubbler.
Location of Inkzooka: The Inkzooka can be found in the same area as the Bomb Rush, it's just located on the opposing side of the map.
Enemies and Mechanics
Agent 1's Quotes
|“||Agent 3! Try to take the high ground!||”|
|“||Splat it up good and get going!||”|
|“||Bomb Rush! Yayer!||”|
|“||The Zapfish should be right up there!||”|
Agent 2's Quotes
|“||The Octolings with seaweed on their heads are super tough!||”|
|“||Press , then be all like BLAMBLAMBLAMBLAM with !||”|
|“||Is that the only way up?||”|
|“||Lookin' good, Agent 3!||”|
Names in other languages
～まどい まどろむ ネギトロ炭鉱～
Madoi Madoromu Negitoro Tankō
Straying and Dozing, Bluefin Depot
|French (NOE)||- Mine Marine -
La révolte des Octalings
|- Bluefin Depot -|
The Octolings' revolt
|Octoling ambush in the|
|Italian||Agguato delle Octoling
al molo mollusco!
at bluefin depot!
|Spanish (NOA)||Rebelión de las Octolings||Octoling Rebelion|
|Spanish (NOE)||Rebelión octoamazona
en la mina costera
in the Bluefin Depot
Octo Valley missions