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We walked hand in hand along the passage. It was dark, but I could feel smooth stone beneath my feet and lots of space around me. The ground felt like it was sloping gently upwards.
"Archer, are we going up?"
"Oh, right, the lights."
It wasn't an answer to my question, but I didn't have to wait long to find one. Archer made this short hissing sound, and light started glowing from the floor. It formed a long thin line that stretched out before us. The light bled out towards the walls and encircled us in a ring of light that moved with us as we walked. This continued the entire length of the passage. Every step we took was fringed in a vertical halo of light. We were indeed in a rising passageway, I could make out the change in elevation easily now. The ceiling had to be sixte
