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Collect all Sardinium in Splatoon 3 Hero Mode and use them to unlock Hero Gear upgrades. Read on to see all Sardinium locations and maps, as well as how to get and use these collectibles!
| Hero Mode Collectibles | |
|---|---|
| All Sardinium Locations | All Sunken Scroll Locations |
| All Gold Record Locations | All Alterna Logs |
| List of Decorations | - |
List of Contents
| Click to jump to a site! | ||
|---|---|---|
| Site 1 | Site 2 | Site 3 |
| Site 4 | Site 5 | Site 6 |
| Future Utopia Island Sardinium Map | |
|---|---|
 |
|
| No. | How to Get |
| 1 |  On the central hill. |
| 2 |  Clear the fuzzy ooze by tossing Smallfry. |
| 3 |  Search the cliff in the southeastern part of the site for the loot anchor. |
| Cozy and Safe Factory Sardinium Map | |
|---|---|
 |
|
| No. | How to Get |
| 4 |  Destroy the wooden crate. |
| 5 |  Destroy the wooden crate. |
| 6-8 |  Defeat Frye, the Boss for Site 2. |
| Cryogenic Hopetown Sardinium Map | |
|---|---|
 |
|
| No. | How to Get |
| 9 |  In the central area near the fuzzy ooze. |
| 10 |  Head northeast through the ice sheet. |
| 11 |  Destroy the wooden box found in the southeastern area. |
| Landfill Dreamland Sardinium Map | |
|---|---|
 |
|
| No. | How to Get |
| 12 |  Found underneath the fuzzy ooze. |
| 13 |  Destroy the wooden crate. |
| 14 |  Remove the Fuzz Balls and eliminate the fuzzy ooze. |
| 15-17 |  Defeat Shiver, the Boss for Site 4. |
| Eco-Forest Treehills Sardinium Map | |
|---|---|
 |
|
| No. | How to Get |
| 18 |  Destroy the wooden crate. |
| 19 |  Clear the fuzzy ooze and uncover the loot anchor. |
| 20 |  Found in the corner next to the bridge in the southern area of the site. |
| Happiness Research Lab Sardinium Map | |
|---|---|
 |
|
| No. | How to Get |
| 21 |  Destroy the wooden crate. |
| 22 |  Destroy the wooden crate. |
| 23-25 |  Defeat Big Man, the Boss for Site 6. |
Sardinium is used to unlock Hero Gear upgrades, which are weapons and equipment used in Hero Mode. As you collect more Sardinium, you are able to access more upgrades, but you still need Upgrade Points to purchase them.
Tips and Tricks: Beginner's Guide to Splatoon
All Sardinium Locations
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