Xonthian Mountains

The second-largest mountain range in the world houses one of the most complex and uniquely mysterious cave systems. The caves, once thought to be the home of magical creatures never seen on the surface, have had their share of explorers go missing. During the First Age, before the world shattered, The Xonthian Mountain Range was part of what is now the Shadow Mountains. Its said that the flow of magic that kept the Dragons fed and happy, was severed and the magical energy was trapped deep under the mountains, causing mutated creatures to become imbued with magical energy no one has ever seen.  

After the world was shattered, and fearing the legends might come true, one of the Kings of Xonthian, commissioned building a keep, located on the edge of the Dark Forest and the Xonthian Mountain range, to serve as the first contact with the creatures should they emerge. However, this never came to pass, and even after the keep was abandoned, no one has been able to prove such monsters existed.  

Later, the cave became the tomb of… *redacted*