This is the forum for helping you out if you're stuck in Grimrock 2 or if you want to discuss about the mysteries of the Isle of Nex. Warning: forum contains spoilers!
On my second playthrough (hunting for the armor set achievements, I kinda left everything all over the place randomly the first time around) I ran into a room that I kinda skipped the first time
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because the trip to the desert is one way only.
The room is the one
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containing the meteor leg plates.
The room has projectile redirectors in each corner which aren't connected to any puzzle I've seen. I can shoot fireballs and whatnot into them and watch them fly around the room endlessly which is fun, but I'm wondering if anyone could give me a hint as to their purpose - this might just be my last missing secret