human
Please generate a concise location description of a spooky cave in the wilderness with quartz crystals and phosphorescent fungi.
assistant
The royal has come free of its yardarm and twisted around the backstay lines, rendering them foul. Despite the push of the wind to port on the spanker boom, the gaff tilts forward towards the mizzenmast. Several ropes of various lengths and in disparate condition hang from the yardarm above, swaying with the ship's movement.