Got to top right and encountered a new mechanic. It works very unreliably. Seems like only some lasers have this property while undistinguishable from others. Not recommended.
It's intentional that it may seem unreliable at first, but all lasers behave exactly the same way (although I do wish I had done a better job crafting the reveal of the mechanic at that point)
Well, once I figured out how it works, the puzzle's actually pretty good. It's just the mechanic that's counterintuitive. I don't think there's much that could be done to improve the reveal.
