Splatoon 3 players in the story mode will need to collect Sardinium to upgrade their Hero Gear --here are all of the Sardinium locations.
Splatoon 3 (Story Mode) - All Collectables - Site 1: Future Utopia Island (100% Guide)
Sardinium - Inkipedia, the Splatoon wiki
Splatoon 2 - Sunken Scroll and Sardinium Collectible Guide
Splatoon 3 All Sardinium Locations - GameWith
Splatoon 2 - Sunken Scroll and Sardinium Collectible Guide
Sardinium Locations - Splatoon 2 Guide - IGN
Return of the Mammalians, Splatoon Wiki
Sardinium Locations - Splatoon 3 Guide - IGN
Splatoon 3: All Sunken Scroll Locations
Sardinium Locations - Splatoon 3 Guide - IGN
Splatoon 3: Where to Find All Sardiniums
Sardinium Locations - Splatoon 3 Guide - IGN
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