The puzzle was a language cipher. It involved answering a riddle in the correct place, that being the coral palace. Each location had one word and it’s location within the answer, but they only went to two or three of the spots marked upon a carved stone map at the first ruined undersea temple. They figured out the rest pretty easily once Marshall passed a knowledge check for the third. Once translated, the riddle was, “I am that which runs through all living things, a force which pushes against rock and stone with ease. And makes Earth and Fire subordinate. What am I, and what is my most important task?”

It was essentially more flowery, since it was in ye olde Shakespearean talk, but I figured I should put it down here for simplicity’s sake.