You'll start facing a stone wall. You're going to turn left and you'll see a book case, keep looking left and you'll see there's a projection on the wall. You're going to take a few steps towards the projection, until you're in the middle of all the tables. You'll finally see the ping pong table to your, to your right side, slightly right. You're going to continue walking towards the projection keeping the ping pong table to your right, and you'll approach a wooden chest to your left. When you get here, you'll see below the projection, there's a few more wooden chests. You're going to step to the second wooden chest and stop.