"Door with teeth can be gates as well." Theoron added. "The ones that close downways. And it does say about a hold, a Malachite's hold and since it says about a half a dwarf, which reminds me a gnome or a halfling, i suppose we need to go in a dungeon like Tasaril said. On the other hand, we must look beyond the curtain, below cauldron. If you notice it doesn't start the word cauldron with a cap letter, which means it might not be the city it self. So i'm guessing that the curtain is the surrounding jungle of Cauldron and below it might mean the at the foothils of the jungle."