Go south to the hallway door.
Thief 2 masks third floor door can t open.
Sneak around to the north side of the balcony shoot a moss arrow below then use a vine arrow to climb down behind the guard.
After grabbing everything head back to the lobby.
On the balcony shoot a vine arrow into the ceiling and climb to the rafters above figure 2 for the gemstone in the jewelry box figure 3.
Kill the cameras and cross the hall to the ballroom.
Secret 2 switches on wall right of fireplace in third floor studies reveals connecting passageway.
Figure 1 2 passage between studies.
Secret not counted switch on desk in north study on third floor reveals.
1 third floor security room passage in the security control room in the northeast corner of the building look for a switch on the north side of the camera control panel.
Switch in south east hall on third floor reveal passage to foyer.
Secret 3 switch on control panel in the northeast opens door to the nearby hallway and vice versa.
Look near the bottom figure 1.
The 2nd room has 3 masks worth 50 in goods and the third room has 2 masks worth 50 in goods as well as another precursor mask.
First floor south cross the hall and pick the lock on the security room door.
This opens a passage back to the hallway.