On the planet Haruun Kal, the cloudsea was the collective term for the poisonous, heavier-than-air gases that fell to the planet's lower areas. It covered most of the planet, with the exception of the Korunnal Highland, the only habitable area because it was above the level of the cloudsea.
Appearances
- Shatterpoint (and unabridged audiobook) (First mentioned, in book)
Sources
Haruun Kal: Beyond the Cloudsea on Wizards.com (original site is defunct)