Octoling Assault is the fourteenth mission available in Splatoon's single-player mode, Octo Valley. It takes place in a modified version of the multiplayer stage, Blackbelly Skatepark.
Mission 14 is located on the second level of the tower in Area 3. When on the second level, find platforms resembling a staircase, then the grate path will take you to the mission.
Leaving the start area, Cap'n Cuttlefish sees some Octolings, which will attack. These can easily be splatted by Seekers. From the start to the second checkpoint there is a line of Power Eggs. Ink the ramp and climb up it to reach the second checkpoint. On the ledge of the central tower, there is a box that contains an Octoling. Now there is a line of Power Eggs up the ramp to the top of the central tower. In the orange box on the top of the tower, there is a piece of armor. There is also another Octoling on the ground. On another ledge in the wall, there are some Power Eggs. Drop down the side of the tower and climb the ramp to the third checkpoint.
After you pass that, on the ramp to the left, there is a cannedspecial weapon, which contains an Inkzooka. Octolings are shooting at you during this. On the grates to the right, there is a box that contains some Power Eggs. There is also a line of Power Eggs running to the next part. On one of the smaller ramps, there is a box that contains another piece of armor. There is also an Octoling trying to splat you when you approach. There is a path of Power Eggs to the Gusher. However, before you activate the Gusher, go on the path to the right. At the end is a box which contains this mission's Sunken Scroll. Then, run back, activate the Gusher, and burst the Zapfish out of its shield.
Collectibles
Sunken Scroll
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Lady Luck shone down on the Inklings, and historians today agree that the Inklings' victory over the Octarians was mostly due to their superior number of limbs.
Location: At the far north of the stage, along the wall in the north-eastern corner. Go through the mission as you normally would. Once you have reached the Gusher leading up to the Zapfish, turn around to face south, towards the spawn point. Go along the elevated path to the left until you reach the small crate containing the scroll.
Armor
Location 1: At the top of the stage's central pillar. Location 2: On the smallest hill in front of the enemy's half-pipe area.
Special Weapon
Location: On the left ledge of the enemy's half-pipe.