Orosca's Enchanted Wrist Guard

Modifies ac by -15 continuous
Bases: 10-12
Levels: 51-52
Weight: 2
Area: Midgaard
Mob: Count Orosca (Ticket Quest)

To get this gear you need to complete a ticket quest. All of the tickets are antique emerald jewelry, and they're located in the various Secrets of Avatar

The tickets are:
Antique Emerald Bracelet
Antique Emerald Tiara
Antique Emerald Brooch
Antique Emerald Earring
Antique Emerald Necklace

Once you have them all, go to Count Orosca, a portable mob in Midgaard, and give one of the tickets to him.