Sunderstone Gorge Sunderstone Gorge is a cave located in . It is a medium - sized cave , sheltering several leveled mages and necromancers as well as skeletons . Quests . No Stone Unturned . One of the Stones of Barenziah is here in the final room with the Word Wall . It is next to one of the corpses above the stone slab . Arniel ' s Endeavor . One of the possible locations where the Staff of Tandil can be found for Enthir . Walkthrough . If the Dragonborn travels to the cave via horse , the nearby Fire Mage or Necromancer may kill the horse ( with Shadowmere and Arvak being the exceptions ) . This can be avoided by dismounting before approaching the entrance . Within the cave , there are several leveled mages and necromancers ( most of whom will be Fire Mages , with either one Master fire mage , Master ice mage , Arch necromancer , or a Master necromancer at the entrance ) as well as skeletons . There are also many booby traps to watch out for . At one point , there is a fire trap that can be triggered by killing the skeleton to the right ( south ) with a bow . Proceeding north , there is a junction . The right ( east ) path leads to a wall that can ' t be climbed , but contains three silver ore veins . The straight ( north ) path leads to a spiked gate trap protecting a room with several mages ( pyromancers , necromancers , etc . ) . At the opposite ( north ) end of the room , a small alcove to the right ( east ) contains an adept locked chest . Wooden steps lead up to the left ( west ) , then left again ( south ) to a wooden bridge leading east . There is an apprentice locked chest to the right ( west ) before crossing the bridge . The bridge leads to a T intersection . To the right ( south ) is a dead end . Turning left ( north ) , then right ( east ) leads to a wooden door . Beyond , the path slopes down to a soul gem fire trap . Beyond that is a door to the right ( south ) that , when opened , springs a poison dart trap . Behind that door is a tiny room with a bookshelf containing a chest , soul gem , and random loot . Back out on the path , there is a combination cooking and sleeping area , with two enemy mages , an Alchemy Lab and two cages against the right ( south ) wall . In the southeast corner is a small alcove to the east that contains a master locked chest that is half buried . From the southeast cornet of the room , a path leads south , east , then south to a room that dead ends to the left ( east ) , while to the right is an iron door . Beyond that door is a large multi - level room with two more enemy mages , and a Flame Atronach that appears as soon as the Dragonborn climbs the first set of steps . On the top level are two soul gems , the Conjuration skill book " 2920 , vol 10 - Frostfall " on a lectern between them , and a Word Wall containing one of the three words for the Fire Breath shout . There is also a table with two dead bodies of a Redguard and a Wood Elf right in front of the wall — on the southwest corner of that table is a Stone of Barenziah . A chest with leveled loot and an Arcane Enchanter are against the north wall . To the south is a spear gate that can be dropped by pulling a chain to its left . Behind this gate is a small area with a number of books , an alchemy lab , and another pull chain ( to the right of the lab ) that drops the second spear gate , which opens the shortcut back to the entrance ( jumping off the wall that could not be climbed earlier ) .