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So I'm playing through coop with my girlfriend but i tend to play ahead more solo and just back track to where she is with a seperate team i keep for that.

I just got my ticket for the airship to the 2nd island and i wanted to make sure i didn't lock myself out of going back to meet up with her.

I see some post talking about certain parts preventing backtracking but i didn't fully grasp what areas or events stop back tracking.

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almost 1 year ago - /u/xYaW - Direct link

2nd island is safe. During the 3rd island you'll have a big chunk of it where you won't be able to get back and also during the 6th island too.