Spoiler 'This section/article contains spoilers to the main storyline. Reader's discretion is advised.

An island in the Fourth Sea, both having not been added yet. According to the gun sellers and smugglers, guns originate from Mainland. It is supposed to be the biggest island in the game and one of the few islands that have undergone what is known as the "Iron Revolution", an advancement in modern technology.

The player would've originally met Theos here, but instead the Player learns their first Mutation thanks to Holden who has survived his encounter with White Eyes.



  • The music that would've been played at Mainland is "Road Hawgs - Brother".

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