Correct this glitch, please?
My “Vader Immortal” keeps sending an error in the game, when I’ Fighting the tall droids in the end. I keep getting slashed because this blue arrow indicator say “Move back into the world.
I’m in the center of my boundaries, with 10 feet or more all around.
I had my wife to tell me that I was still inside, just in case the grid malfunctioned.

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Ryan Williams commented
It's not the Guardian boundary that's the problem. You can't really move around freely in the game, even if you're still inside your Guardian. That segment at the end expects you to stand basically perfectly still without moving your body at all, otherwise you'll leave the area the game wants you in, even if it's in your guardian boundary.