Go down allthe way to the final door on the left of the hallway you walk in. Then in the
first doorway you see will be the guard the key

after u talk to the guard,..u can get the key to ruccel city

What room is the guard with the key in?
Fortress Inside?

Go down aisle to the last door.Turn left at the door and cotinue the path till you come to
a righ turn and then a left turn in a room with the gaurd in it.