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.
Needing to speed up magical item creation, Phillip Thornblood made this staff to glue, bind, weld, melt, or even smash things together.
When you sleep, your soul briefly returns to the place where it was created/goes to when it dies, and seeks nourishment. Everybody's soul is created with a little link (or you could say a greater entity calls it back) to that place so that it can return easily, but upon death, the soul returns via that and annihilates the link as if returns.
Also, as an added thingy, you could say the entity supplying the link, or residue of the links themselves, (whichever) is the source of all arcane power.