These are all of the Sunken Scrolls and their contents, from their respective stages of Hero Mode in Splatoon 2!
Sunken Scrolls[]
Cover[]
Stage 1[]
This sunken scroll shows a young Pearl at the Annual Youth Folk-Singing Contest. The “shock wave” likely relates to her Killer Wail ability in the Octo Expansion.
Stage 2[]
Marina appears at the final battle against DJ Octavio in Splatoon.
Stage 3[]
Ammo Knights moving to Inkopolis Square.
Stage 4[]
This shows a hint into Crusty Sean making his food cart.
Stage 5[]
This seems to reference Spyke from Splatoon, and how he just sat in an alley making money.
Stage 6[]
This shows the owner of Shella Fresh in some kind of loving embrace.
Stage 7[]
This talks about how Inklings travel and end up in Inkopolis Square.
Stage 8[]
Talking about how Jelfonzo won the card tournament.
Stage 9[]
Talking about how Murch can get you the abilities you want on your gear.
Stage 10[]
The Shoal, which lets you access local multiplayer.
Stage 11[]
This gives a reason for the special overhaul from Splatoon to Splatoon 2.
Stage 12[]
This appears to be some Inkling version of social media, based on Instagram or Snapchat likely.
Stage 13[]
This shows how gear is made.
Stage 14[]
This shows how Inkling ink disappears after battles.
Stage 15[]
This is the band that makes a lot of the turf war music.
Stage 16[]
This shows a job listing for Salmon Run.
Stage 17[]
This talks about an invasion of Salmonids. It implies that early Inkling religion often depicted a mass migration of salmonids as an omen for the apocalypse.
Stage 18[]
More about a Salmonid invasion, suggests that it is simply a migration.
Stage 19[]
This talks about the pride that Salmonids put into their weapons.
Stage 20[]
This is some kind of podcast that Marie is in. It seems based on the last sentence that that she has something on her mind.
Stage 21[]
This shows Callie, and talks about the fame getting to her head. This might give insight into why she disappeared.
Stage 22[]
This appears to be a post by Callie, showing her stress some more.
Stage 23[]
This seems to be some kind of manual about Octarian design. The stay fresh at the end suggests some relation with the Squid Sisters.
Stage 24[]
This gives some insight into the Octoweapons and how advanced they are, especially during the Great Turf War.
Stage 25[]
A note from Captain Cuttlefish to Callie and Marie.
Stage 26[]
This is likely the pod that Judd came from, and it being found.
Stage 27[]
This shows the story behind Lil' Judd's creation.
Final Boss[]
These are the stickers you can collect from the balloon challenges in each over world area.