Search the overturned cart for the Cancer Stellazio. Continue on and Zorn and Thorn will send some more Type A black mages to attack you.

Go up the stairs on the right. Behind the stairs inside is a Soft. The chest on the top of the stairs is a Mimic.

Go out to the left and past the big door and back inside. Cross the balcony to get the Germinas Boots in the chest (stay towards the back of the balcony). The balcony will break and fall when you cross back.

Go all the way back to the front of the building and in the door on the left. Grab a Potion and a Soft at the bottom of the stairs. The chest on the top is a Mimic.

Cross the balconies to get to the next room. Grab the Protection Bell under the bed and an Ether on the left. Go back to the big door on the top floor and use the bell to enter.

At the landing at the top of the giant staircase, go in the door in the center to rescue some Burmecians. Go back and up the staircase on the right and go across to the door on the left. Inside are two chests with a Phoenix Down and a Tent. The chest on the far side is a Mimic.

In the courtyard, go in the door on the left to find a Lightning Staff and Atla the moogle. When you leave, Stiltzkin will enter and offer you his goods. The door on the right contains a Mythril Spear.

When you go up the stairs, you'll end up battling Beatrix (Burmecia) so be prepared.