Dark Sun: The Scorched World of Athas
An alternate version of Kalidnay existing in the Gray which remained mostly intact and is still sparsely populated. Despite having vanished from Athas over 1200 years ago, only 200 years appears to have passed in this version of Kalidnay.
Morg and his allies were transported there during a fight with Dalem Shom and Marisol.
The body of the sorcerer-king Kalid-Ma was discovered in the ziggurat at the heart of the city. He was beheaded by Morg during the his exploration of the ziggurat.
Kalidnay dissolved into the Mists following the death of Thakok-An at the hands of Kira Javed and her allies.
Following the destruction of the Dregoth’ Shadow Engine in the Shadow Tomb, Elleandra used the Orb of Kalid-Ma to transport herself and her friend back to the outskirts of the city, which was still intact.
Marisol took control of these lands and has converted the population to servants of the Shadow King.