Myriil left behind untold numbers of relics from the age of Mythos and is referred to only as the last operator. Not much is known about the mechanical ruins left by the early humans, but the amount of technology lost through the ages is abundantly clear. He once claimed it held the key to unlocking the lost secrets of human civilization.
Some devices still scattered among Ledethos may react to holders of this pendant. Expect to be led through a special dungeon with additional boss quest and loot!