How do I get north of the Mess Corridor


Hint 1 of 10:
Like in today's world, padlocks open with keys.

Hint 2 of 10:
The key isn't exactly in plain sight.

Hint 3 of 10:
You see it when you walk into the room, but you don't.

Hint 4 of 10:
Look for a gleam of light.

Hint 5 of 10:
Like in the Admin Corridor South.

Hint 6 of 10:
Keys are made of metal.

Hint 7 of 10:
And magnets attract metal.

Hint 8 of 10:
A lot of magnets are curved.

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