Amulet (Anime)

The Amulet also referred to as the Promised Pendant was a gift to Emma from Mujika in Episode 15 when the two said their farewells.

Appearance
The Amulet is a small necklace with an eye-shaped pendant.

Mujika
Mujika is the first known owner of the amulet. It is as of now unknown where she obtained it and why; however, she expresses knowledge of its purpose when giving it to Emma.

Emma
Emma was given the amulet by Mujika.