Fyreen is a volcanic world despoiled by dragons. The planet's remaining resources are hotly contested, giving rise to tyrants.
Temperatures on Fyreen plunged dramatically after the sun collapsed, but the planet generates enough heat on its own to keep it from freezing.
When the sun collapsed, dohwars and mercanes evacuated thousands of creatures from Fyreen. Many of these creatures were deposited on the nine moons of En (which provide temporary solace at best) or borne safely to other Wildspace systems. Millions more creatures were left to be swallowed up by the Eye of Doom.
Crios, the smaller of Fyreen's two moons, still orbits the planet. But the same thing that is happening to Valt will happen to Crios in about a month.