Wondrous Item, rare (requires attunement by a The user must be concealed in complete darkness while trying to attune)
When you are in dim light or darkness, as a bonus action you can teleport up to 60 feet to an unoccupied space you can see that is also in dim light or darkness. You then have advantage on the first melee attack you make before the end of the turn.
Notes: The amulet weighs heavy in your hand. An opaque black stone with grey speckles is laid in the center, held with intricately etched silver. It chills your palm when you hold it. It rests cold on your chest when worn., The user must be concealed in complete darkness while trying to attune