The Sign of Feedback
Jyorta approached one end of the hall, guided by the voice occasionally. A tattered curtain appeared, with its ends covered by grease and stains accumulated over time. It sported a tear in the middle, trailing from bottom to half its height, displaying the presence of a door through the gap.
It was a steel door, its bottom rusted, with most of the stone blue paint peeling off. The doorknob creaked with an obvious grating sound upon turning, the mechanism within stuck mid-turn. Jyorta exerted more strength, soon slamming it violently.
The door parted a little, the contents within it dark. Jyorta leaned, using his body weight to completely push the door open. He noticed five trail marks on the floor, conforming to the door's leverage. The marks were 3-4 millimetres deep. Spread around them was fine dust, mostly probably metallic.