If one listens to the aether, one can hear the vibrations traveling through space. If one listens carefully one can hear what is said. - Lord Caasi on Aetherschreibers
The boat floats on what?
Air, the Aquaverso makes it float on air.
12 years ago: When Lord Caasi turns his restless mind to the ancient art of alchemy, he unleashes Philosopher’s Mercury, a primal source of matter and a key to manipulating the four elements of Danmatum, Lux, Phlegm and Gas
Wanting to hide things in the open, Phillip made this magical cup.
With regard to the plot "Sleeping Mines of Elathon":
You manage to get the water wheel in the mine working which operates a pump to clear the flooded lower levels. As you explore the dank tunnels of the lower galleries, you can hear the creaking of the wheel above. You enter a low-ceilinged passage and are crawling on your backs, when the creaking stops. The water starts seeping wetly around the back of your head...