The woman at the head of the group blinks uncomprehendingly at Semus. "Archives here? Well, it's all yours."

Spoiler: OOC
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Just to clarify, because I've seen the opposite be the case in games I've been in before: This is not the DM not remembering the pass-phrase. She either doesn't know it, or is doing a very good Bluff check to pretend not knowing it.