Antique Emerald Tiara

A ticket in the Orosca's enchanted wrist guard quest
This item is located within the House of quests, another part of the Secrets of avatar.
To get there, pp stat beho and go 7s, e, 2s, 6w, s, 2w, 2n. From there, head north, killing mobs of increasing difficulty and collecting keys. The mob which carries the tiara is the Quest sword, which is the toughest mob you have to fight to get Orosca's enchanted wrist guard, but it's still weak compared to most hero gear mobs.