Quote Originally Posted by Hoshi View Post
I think incursion would be difficult with a language barrier.
How so? I can't say first hand if the warps are named the same or not in Japanese, but I've yet to do a run where they didn't understand which warp to take. Beyond that, it's just doing your party role, there's not really anything specific strategy wise that would require people to be of the same language, much less requiring voice chat.