From the Mnemosynes quest introduced in the ?? event.

A Large Mnemosyne
Value: 0
10 Burden Units
A Mnemosyne, invented by Tennar Portheran, used by the Dericost to preserve their heritage after the chaos wrought by the Fourth Sending.


Special Properties: Attuned, Bonded

Notes

  • Does not stack
  • Dropped by various high level Undead and obtained through High Stakes Gambling.
  • Can be unlocked using a Intricate Obsidian Key