This room relies on a cruel (but discoverable through trial and error) Halph movement trick. That is:
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×Unlike most obstacles, Halph will navigate around your sword to follow you in unusual ways.
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×There is one chamber where Halph will move around your sword and accidentally navigate himself into the force arrows.
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×That would be the bottom left chamber. Keep navigating Halph around it in counter-clockwise fashion and he should fall in. Then you can use the mirror for the top left chamber.
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It was going well until it exploded.
~Scott Manley
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