Located in Affril, Plane of Knowledge.

Endless shelving holds containers of gray sea and durgolium boxes. Memories of many worlds are held within jars. The items on the shelves are cared for and curated by Klynoks.

This long, curved, multi-floor corridor is lined with shelves that contain oddities from across the planarverse. - Silver Threads of Fate (LC1)

Using a durgolium tuning fork, you may interact with a number of items on the shelving.

You discover the Immortal Knight's Helm in one durgolium chest. It may be used to return you to Ulos.