You are in a damp, cold, pitch-black dungeon. Shallow water covers the entire floor. The air around you stands still, moist and heavy; each breath feels like you are gulping down water. Your footsteps echo off the stone walls as you splash your way down the grimy corridors.

You are about to set sail for the stars...

This DM was ruining his homebrew campaign, so one of his players turned to the Reddit for advice...

Roll the dice, and prepare for battle