So I'm guessing that you have Debug/CLUA Console enabled and happened to hit Ctrl-J while you happened to have your character selected and cursor over the location up here.
If you don't and you're really stuck (i.e. you've saved or something) try moving your cursor down to the arena and hitting Ctrl-J with your character highlighted...she'll teleport down to the arena floor.
If that's not possible, if you can beat the encounter, it will auto-teleport all of you out of the dungeon.
@1765: Can you confirm that you do in fact have the Debug Console turned on so we can call this one closed?
Comments
If you don't and you're really stuck (i.e. you've saved or something) try moving your cursor down to the arena and hitting Ctrl-J with your character highlighted...she'll teleport down to the arena floor.
If that's not possible, if you can beat the encounter, it will auto-teleport all of you out of the dungeon.
@1765: Can you confirm that you do in fact have the Debug Console turned on so we can call this one closed?
Using the staff gained as a reward for defeating the beast-masters greater wyvern
Guess we should review the game and disable this for certain characters.