Find a hidden vault inside Cirith Ungol.
A hooded chainmail shirt (Unique)
Find a way to get to see the Nazgul in Cirith Ungol and make him leave. Once he has left you can find a hidden vault by searching the room. Inside a chest in the hidden vault is your reward.
Although A hooded chainmail shirt is unique it can be placed inside strongboxes without worrying.
First you need to get to see the Nazgul. You can either kill A large personal guard or complete the first part of CU: Capturing Shagrat.
Once you have gotten to see The dark form of a Nazgul you need to get him to leave. You can either kill him (very difficult), or you can complete the remainder of CU: Capturing Shagrat.
Once he has left do not leave The command center of Cirith Ungol.
do grab insect,move lid,get contents
If the unique is in you will now get your reward and complete the quest.
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