What about this place of irrigo and obscurity?

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A player-created Guide is available for this content: Feast of the Rose (Guide)

How are the above links here?

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From: A Conversation with Millicent


Where is it?

Unlocked with  Obscurity

Locked with  20,  3


Success

"The Forgotten Quarter. I could try to tell you the way, but it can't be told, only shown. I don't recommend it. It's not safe. I've only replaced one set of dangers with another."