Arrowheadus Unicronus (also known as “Big Jet Inkling” or “Arrowhead-Cron”) is the inkling rival of the entire Inkling and Octoling races, as a servant for Unicron and the pilot of the Big Jet! This is the only Inkling who appears as the true final boss in “Splatoon 2: Octo-Expansion”. Unlike Agent 3 as the boss before Commander TarTar in the story mode of "Octo-Expansion", Arrowheadus Unicronus moves much faster than before. And this time, he is too extremely dangerous to defeat him.
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