Rusty doors, metal gates, heavy doors, humid, door lock, locks, clench, etc.

Rusty Dungeons #1 (0:03)
Rusty Dungeons #2 (0:05) (0:04 in audio preview)
Rusty Dungeons #3 (0:03) (0:09 in audio preview)
Rusty Dungeons #4 (0:03) (0:12 in audio preview)
Rusty Dungeons #5 (0:04) (0:15 in audio preview)
Rusty Dungeons #6 (0:04) (0:19 in audio preview)
Rusty Dungeons #7 (0:04) (0:23 in audio preview)
Rusty Dungeons #8 (0:03) (0:28 in audio preview)
Rusty Dungeons #9 (0:02) (0:31 in audio preview)