Hi and thanks for the quick reply. I have accepted the quest 'Clean Out Ursagi Cave". I have killed Hrrackar. I have killed the dragon. I have explored the entire dungeon and gone downstairs for the spell. I have a save file inside as well as in the trapped area.
Have killed all life inside Ursagi Lair and explored everything. When I leave by the secret exit (after killing the last minute attack by Ursagi) I am outside in a small enclosed area unable to leave. The end of the small passage is a wall. Watching YouTube games at this same spot the end wall is missing and players are free to exit to the plains. Purchased on Steam. Windows 10 updated. All drivers up to date. Verified integrity of game files. No cheat software installed. Please help.